Home / 86,033,114.70-129,049,672.05-25,443,444.30

Finding the Fourth Proportional to 86,033,114.70, 129,049,672.05 and 25,443,444.30

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Solution

The fourth proportional to 86,033,114.70, 129,049,672.05 and 25,443,444.30 is: 38,165,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033,114.70 : 129,049,672.05 = 25,443,444.30 : x
  2. Step 2: Convert to fraction form
    86,033,114.70/129,049,672.05 = 25,443,444.30/x
  3. Step 3: Cross multiply
    86,033,114.70x = 129,049,672.05 × 25,443,444.30
  4. Step 4: Simplify right side
    86,033,114.70x = 3,283,468,142,737,442
  5. Step 5: Solve for x
    x = 3,283,468,142,737,442/86,033,114.70
  6. Step 6: Final answer
    x = 38,165,166.45

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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.