Home / 138,328,064.70-207,492,097.05-36,092,102.33

Finding the Fourth Proportional to 138,328,064.70, 207,492,097.05 and 36,092,102.33

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Solution

The fourth proportional to 138,328,064.70, 207,492,097.05 and 36,092,102.33 is: 54,138,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,328,064.70 : 207,492,097.05 = 36,092,102.33 : x
  2. Step 2: Convert to fraction form
    138,328,064.70/207,492,097.05 = 36,092,102.33/x
  3. Step 3: Cross multiply
    138,328,064.70x = 207,492,097.05 × 36,092,102.33
  4. Step 4: Simplify right side
    138,328,064.70x = 7,488,825,998,357,432
  5. Step 5: Solve for x
    x = 7,488,825,998,357,432/138,328,064.70
  6. Step 6: Final answer
    x = 54,138,153.49

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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.