Home / 96,726,086.40-145,122,307.20-42,912,019.20

Finding the Fourth Proportional to 96,726,086.40, 145,122,307.20 and 42,912,019.20

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Solution

The fourth proportional to 96,726,086.40, 145,122,307.20 and 42,912,019.20 is: 64,382,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,726,086.40 : 145,122,307.20 = 42,912,019.20 : x
  2. Step 2: Convert to fraction form
    96,726,086.40/145,122,307.20 = 42,912,019.20/x
  3. Step 3: Cross multiply
    96,726,086.40x = 145,122,307.20 × 42,912,019.20
  4. Step 4: Simplify right side
    96,726,086.40x = 6,227,491,232,914,698
  5. Step 5: Solve for x
    x = 6,227,491,232,914,698/96,726,086.40
  6. Step 6: Final answer
    x = 64,382,747.87

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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.