Home / 137,801,618.20-206,702,427.30-99,059,569.30

Finding the Fourth Proportional to 137,801,618.20, 206,702,427.30 and 99,059,569.30

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Solution

The fourth proportional to 137,801,618.20, 206,702,427.30 and 99,059,569.30 is: 148,589,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,801,618.20 : 206,702,427.30 = 99,059,569.30 : x
  2. Step 2: Convert to fraction form
    137,801,618.20/206,702,427.30 = 99,059,569.30/x
  3. Step 3: Cross multiply
    137,801,618.20x = 206,702,427.30 × 99,059,569.30
  4. Step 4: Simplify right side
    137,801,618.20x = 20,475,853,421,602,564
  5. Step 5: Solve for x
    x = 20,475,853,421,602,564/137,801,618.20
  6. Step 6: Final answer
    x = 148,589,353.95

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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.