Home / 137,985,152.59-207,069,772.27-71,572,788.41

Finding the Fourth Proportional to 137,985,152.59, 207,069,772.27 and 71,572,788.41

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Solution

The fourth proportional to 137,985,152.59, 207,069,772.27 and 71,572,788.41 is: 107,406,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,985,152.59 : 207,069,772.27 = 71,572,788.41 : x
  2. Step 2: Convert to fraction form
    137,985,152.59/207,069,772.27 = 71,572,788.41/x
  3. Step 3: Cross multiply
    137,985,152.59x = 207,069,772.27 × 71,572,788.41
  4. Step 4: Simplify right side
    137,985,152.59x = 14,820,560,996,787,596
  5. Step 5: Solve for x
    x = 14,820,560,996,787,596/137,985,152.59
  6. Step 6: Final answer
    x = 107,406,925.45

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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.