Home / 120,318,446,906.70-180,477,670,360.05-64,529,896,490.70

Finding the Fourth Proportional to 120,318,446,906.70, 180,477,670,360.05 and 64,529,896,490.70

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Solution

The fourth proportional to 120,318,446,906.70, 180,477,670,360.05 and 64,529,896,490.70 is: 96,794,844,736.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,318,446,906.70 : 180,477,670,360.05 = 64,529,896,490.70 : x
  2. Step 2: Convert to fraction form
    120,318,446,906.70/180,477,670,360.05 = 64,529,896,490.70/x
  3. Step 3: Cross multiply
    120,318,446,906.70x = 180,477,670,360.05 × 64,529,896,490.70
  4. Step 4: Simplify right side
    120,318,446,906.70x = 11,646,205,387,216,699,523,072
  5. Step 5: Solve for x
    x = 11,646,205,387,216,699,523,072/120,318,446,906.70
  6. Step 6: Final answer
    x = 96,794,844,736.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.