Home / 96,779,904.60-145,169,856.90-72,593,434.20

Finding the Fourth Proportional to 96,779,904.60, 145,169,856.90 and 72,593,434.20

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Solution

The fourth proportional to 96,779,904.60, 145,169,856.90 and 72,593,434.20 is: 108,890,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,779,904.60 : 145,169,856.90 = 72,593,434.20 : x
  2. Step 2: Convert to fraction form
    96,779,904.60/145,169,856.90 = 72,593,434.20/x
  3. Step 3: Cross multiply
    96,779,904.60x = 145,169,856.90 × 72,593,434.20
  4. Step 4: Simplify right side
    96,779,904.60x = 10,538,378,454,693,566
  5. Step 5: Solve for x
    x = 10,538,378,454,693,566/96,779,904.60
  6. Step 6: Final answer
    x = 108,890,151.30

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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.