Home / 137,985,153.09-207,069,773.03-71,572,788.92

Finding the Fourth Proportional to 137,985,153.09, 207,069,773.03 and 71,572,788.92

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Solution

The fourth proportional to 137,985,153.09, 207,069,773.03 and 71,572,788.92 is: 107,406,926.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,985,153.09 : 207,069,773.03 = 71,572,788.92 : x
  2. Step 2: Convert to fraction form
    137,985,153.09/207,069,773.03 = 71,572,788.92/x
  3. Step 3: Cross multiply
    137,985,153.09x = 207,069,773.03 × 71,572,788.92
  4. Step 4: Simplify right side
    137,985,153.09x = 14,820,561,155,395,288
  5. Step 5: Solve for x
    x = 14,820,561,155,395,288/137,985,153.09
  6. Step 6: Final answer
    x = 107,406,926.21

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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.