Home / 91,761,013.40-137,641,520.10-64,498,090.10

Finding the Fourth Proportional to 91,761,013.40, 137,641,520.10 and 64,498,090.10

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Solution

The fourth proportional to 91,761,013.40, 137,641,520.10 and 64,498,090.10 is: 96,747,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761,013.40 : 137,641,520.10 = 64,498,090.10 : x
  2. Step 2: Convert to fraction form
    91,761,013.40/137,641,520.10 = 64,498,090.10/x
  3. Step 3: Cross multiply
    91,761,013.40x = 137,641,520.10 × 64,498,090.10
  4. Step 4: Simplify right side
    91,761,013.40x = 8,877,615,164,910,761
  5. Step 5: Solve for x
    x = 8,877,615,164,910,761/91,761,013.40
  6. Step 6: Final answer
    x = 96,747,135.15

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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.