Home / 49,904,005.60-74,856,008.40-28,404,920.80

Finding the Fourth Proportional to 49,904,005.60, 74,856,008.40 and 28,404,920.80

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Solution

The fourth proportional to 49,904,005.60, 74,856,008.40 and 28,404,920.80 is: 42,607,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904,005.60 : 74,856,008.40 = 28,404,920.80 : x
  2. Step 2: Convert to fraction form
    49,904,005.60/74,856,008.40 = 28,404,920.80/x
  3. Step 3: Cross multiply
    49,904,005.60x = 74,856,008.40 × 28,404,920.80
  4. Step 4: Simplify right side
    49,904,005.60x = 2,126,278,990,006,135
  5. Step 5: Solve for x
    x = 2,126,278,990,006,135/49,904,005.60
  6. Step 6: Final answer
    x = 42,607,381.20

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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.