Home / 91,680,100.20-137,472,911.10-34,142,754.60

Finding the Fourth Proportional to 91,680,100.20, 137,472,911.10 and 34,142,754.60

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Solution

The fourth proportional to 91,680,100.20, 137,472,911.10 and 34,142,754.60 is: 51,196,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,680,100.20 : 137,472,911.10 = 34,142,754.60 : x
  2. Step 2: Convert to fraction form
    91,680,100.20/137,472,911.10 = 34,142,754.60/x
  3. Step 3: Cross multiply
    91,680,100.20x = 137,472,911.10 × 34,142,754.60
  4. Step 4: Simplify right side
    91,680,100.20x = 4,693,703,867,834,916
  5. Step 5: Solve for x
    x = 4,693,703,867,834,916/91,680,100.20
  6. Step 6: Final answer
    x = 51,196,539.46

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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.