Home / 138,025,830.60-206,862,911.10-73,360,614.60

Finding the Fourth Proportional to 138,025,830.60, 206,862,911.10 and 73,360,614.60

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Solution

The fourth proportional to 138,025,830.60, 206,862,911.10 and 73,360,614.60 is: 109,947,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,025,830.60 : 206,862,911.10 = 73,360,614.60 : x
  2. Step 2: Convert to fraction form
    138,025,830.60/206,862,911.10 = 73,360,614.60/x
  3. Step 3: Cross multiply
    138,025,830.60x = 206,862,911.10 × 73,360,614.60
  4. Step 4: Simplify right side
    138,025,830.60x = 15,175,590,296,241,160
  5. Step 5: Solve for x
    x = 15,175,590,296,241,160/138,025,830.60
  6. Step 6: Final answer
    x = 109,947,465.85

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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.