Home / 80,827,073.31-121,317,259.95-50,028,489.66

Finding the Fourth Proportional to 80,827,073.31, 121,317,259.95 and 50,028,489.66

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Solution

The fourth proportional to 80,827,073.31, 121,317,259.95 and 50,028,489.66 is: 75,090,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827,073.31 : 121,317,259.95 = 50,028,489.66 : x
  2. Step 2: Convert to fraction form
    80,827,073.31/121,317,259.95 = 50,028,489.66/x
  3. Step 3: Cross multiply
    80,827,073.31x = 121,317,259.95 × 50,028,489.66
  4. Step 4: Simplify right side
    80,827,073.31x = 6,069,319,284,988,107
  5. Step 5: Solve for x
    x = 6,069,319,284,988,107/80,827,073.31
  6. Step 6: Final answer
    x = 75,090,177.54

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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.