Home / 137,801,623.20-206,702,434.80-89,015,339.40

Finding the Fourth Proportional to 137,801,623.20, 206,702,434.80 and 89,015,339.40

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Solution

The fourth proportional to 137,801,623.20, 206,702,434.80 and 89,015,339.40 is: 133,523,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,801,623.20 : 206,702,434.80 = 89,015,339.40 : x
  2. Step 2: Convert to fraction form
    137,801,623.20/206,702,434.80 = 89,015,339.40/x
  3. Step 3: Cross multiply
    137,801,623.20x = 206,702,434.80 × 89,015,339.40
  4. Step 4: Simplify right side
    137,801,623.20x = 18,399,687,388,528,372
  5. Step 5: Solve for x
    x = 18,399,687,388,528,372/137,801,623.20
  6. Step 6: Final answer
    x = 133,523,009.10

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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.