Home / 150,658,787.28-207,931,817.87-91,955,565.31

Finding the Fourth Proportional to 150,658,787.28, 207,931,817.87 and 91,955,565.31

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Solution

The fourth proportional to 150,658,787.28, 207,931,817.87 and 91,955,565.31 is: 126,912,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,658,787.28 : 207,931,817.87 = 91,955,565.31 : x
  2. Step 2: Convert to fraction form
    150,658,787.28/207,931,817.87 = 91,955,565.31/x
  3. Step 3: Cross multiply
    150,658,787.28x = 207,931,817.87 × 91,955,565.31
  4. Step 4: Simplify right side
    150,658,787.28x = 19,120,487,856,920,992
  5. Step 5: Solve for x
    x = 19,120,487,856,920,992/150,658,787.28
  6. Step 6: Final answer
    x = 126,912,529.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.