Home / 86,732,460.72-129,925,227.96-52,169,773.68

Finding the Fourth Proportional to 86,732,460.72, 129,925,227.96 and 52,169,773.68

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Solution

The fourth proportional to 86,732,460.72, 129,925,227.96 and 52,169,773.68 is: 78,150,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,732,460.72 : 129,925,227.96 = 52,169,773.68 : x
  2. Step 2: Convert to fraction form
    86,732,460.72/129,925,227.96 = 52,169,773.68/x
  3. Step 3: Cross multiply
    86,732,460.72x = 129,925,227.96 × 52,169,773.68
  4. Step 4: Simplify right side
    86,732,460.72x = 6,778,169,737,995,608
  5. Step 5: Solve for x
    x = 6,778,169,737,995,608/86,732,460.72
  6. Step 6: Final answer
    x = 78,150,322.06

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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.