Home / 137,853,908.20-206,780,862.30-136,897,314.40

Finding the Fourth Proportional to 137,853,908.20, 206,780,862.30 and 136,897,314.40

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Solution

The fourth proportional to 137,853,908.20, 206,780,862.30 and 136,897,314.40 is: 205,345,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853,908.20 : 206,780,862.30 = 136,897,314.40 : x
  2. Step 2: Convert to fraction form
    137,853,908.20/206,780,862.30 = 136,897,314.40/x
  3. Step 3: Cross multiply
    137,853,908.20x = 206,780,862.30 × 136,897,314.40
  4. Step 4: Simplify right side
    137,853,908.20x = 28,307,744,718,186,208
  5. Step 5: Solve for x
    x = 28,307,744,718,186,208/137,853,908.20
  6. Step 6: Final answer
    x = 205,345,971.60

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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.