Home / 86,402,123.72-129,603,310.31-35,284,142.53

Finding the Fourth Proportional to 86,402,123.72, 129,603,310.31 and 35,284,142.53

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Solution

The fourth proportional to 86,402,123.72, 129,603,310.31 and 35,284,142.53 is: 52,926,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,402,123.72 : 129,603,310.31 = 35,284,142.53 : x
  2. Step 2: Convert to fraction form
    86,402,123.72/129,603,310.31 = 35,284,142.53/x
  3. Step 3: Cross multiply
    86,402,123.72x = 129,603,310.31 × 35,284,142.53
  4. Step 4: Simplify right side
    86,402,123.72x = 4,572,941,673,337,859
  5. Step 5: Solve for x
    x = 4,572,941,673,337,859/86,402,123.72
  6. Step 6: Final answer
    x = 52,926,264.73

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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.