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Finding the Fourth Proportional to 272,983,337.20, 409,475,005.80 and 88,750,457.20

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Solution

The fourth proportional to 272,983,337.20, 409,475,005.80 and 88,750,457.20 is: 133,125,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,983,337.20 : 409,475,005.80 = 88,750,457.20 : x
  2. Step 2: Convert to fraction form
    272,983,337.20/409,475,005.80 = 88,750,457.20/x
  3. Step 3: Cross multiply
    272,983,337.20x = 409,475,005.80 × 88,750,457.20
  4. Step 4: Simplify right side
    272,983,337.20x = 36,341,093,976,722,656
  5. Step 5: Solve for x
    x = 36,341,093,976,722,656/272,983,337.20
  6. Step 6: Final answer
    x = 133,125,685.80

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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.