Home / 137,838,273.60-206,757,410.40-86,819,937.60

Finding the Fourth Proportional to 137,838,273.60, 206,757,410.40 and 86,819,937.60

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Solution

The fourth proportional to 137,838,273.60, 206,757,410.40 and 86,819,937.60 is: 130,229,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,838,273.60 : 206,757,410.40 = 86,819,937.60 : x
  2. Step 2: Convert to fraction form
    137,838,273.60/206,757,410.40 = 86,819,937.60/x
  3. Step 3: Cross multiply
    137,838,273.60x = 206,757,410.40 × 86,819,937.60
  4. Step 4: Simplify right side
    137,838,273.60x = 17,950,665,469,265,590
  5. Step 5: Solve for x
    x = 17,950,665,469,265,590/137,838,273.60
  6. Step 6: Final answer
    x = 130,229,906.40

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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.