Home / 92,014,020.90-137,781,882.90-72,722,712.60

Finding the Fourth Proportional to 92,014,020.90, 137,781,882.90 and 72,722,712.60

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Solution

The fourth proportional to 92,014,020.90, 137,781,882.90 and 72,722,712.60 is: 108,895,059.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,014,020.90 : 137,781,882.90 = 72,722,712.60 : x
  2. Step 2: Convert to fraction form
    92,014,020.90/137,781,882.90 = 72,722,712.60/x
  3. Step 3: Cross multiply
    92,014,020.90x = 137,781,882.90 × 72,722,712.60
  4. Step 4: Simplify right side
    92,014,020.90x = 10,019,872,271,623,554
  5. Step 5: Solve for x
    x = 10,019,872,271,623,554/92,014,020.90
  6. Step 6: Final answer
    x = 108,895,059.40

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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.