Home / 149,726,635.60-224,589,953.40-81,702,187.60

Finding the Fourth Proportional to 149,726,635.60, 224,589,953.40 and 81,702,187.60

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Solution

The fourth proportional to 149,726,635.60, 224,589,953.40 and 81,702,187.60 is: 122,553,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,726,635.60 : 224,589,953.40 = 81,702,187.60 : x
  2. Step 2: Convert to fraction form
    149,726,635.60/224,589,953.40 = 81,702,187.60/x
  3. Step 3: Cross multiply
    149,726,635.60x = 224,589,953.40 × 81,702,187.60
  4. Step 4: Simplify right side
    149,726,635.60x = 18,349,490,505,762,056
  5. Step 5: Solve for x
    x = 18,349,490,505,762,056/149,726,635.60
  6. Step 6: Final answer
    x = 122,553,281.40

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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.