Home / 120,318,448,032.45-180,477,672,048.67-64,529,897,616.45

Finding the Fourth Proportional to 120,318,448,032.45, 180,477,672,048.67 and 64,529,897,616.45

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Solution

The fourth proportional to 120,318,448,032.45, 180,477,672,048.67 and 64,529,897,616.45 is: 96,794,846,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,318,448,032.45 : 180,477,672,048.67 = 64,529,897,616.45 : x
  2. Step 2: Convert to fraction form
    120,318,448,032.45/180,477,672,048.67 = 64,529,897,616.45/x
  3. Step 3: Cross multiply
    120,318,448,032.45x = 180,477,672,048.67 × 64,529,897,616.45
  4. Step 4: Simplify right side
    120,318,448,032.45x = 11,646,205,699,355,916,107,776
  5. Step 5: Solve for x
    x = 11,646,205,699,355,916,107,776/120,318,448,032.45
  6. Step 6: Final answer
    x = 96,794,846,424.67

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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.