Home / 71,939,367.38-107,862,653.63-28,224,543.85

Finding the Fourth Proportional to 71,939,367.38, 107,862,653.63 and 28,224,543.85

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Solution

The fourth proportional to 71,939,367.38, 107,862,653.63 and 28,224,543.85 is: 42,318,612.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,367.38 : 107,862,653.63 = 28,224,543.85 : x
  2. Step 2: Convert to fraction form
    71,939,367.38/107,862,653.63 = 28,224,543.85/x
  3. Step 3: Cross multiply
    71,939,367.38x = 107,862,653.63 × 28,224,543.85
  4. Step 4: Simplify right side
    71,939,367.38x = 3,044,374,196,958,201
  5. Step 5: Solve for x
    x = 3,044,374,196,958,201/71,939,367.38
  6. Step 6: Final answer
    x = 42,318,612.29

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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.