Home / 138,452,894.53-191,123,825.00-86,267,713.37

Finding the Fourth Proportional to 138,452,894.53, 191,123,825.00 and 86,267,713.37

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Solution

The fourth proportional to 138,452,894.53, 191,123,825.00 and 86,267,713.37 is: 119,086,100.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,452,894.53 : 191,123,825.00 = 86,267,713.37 : x
  2. Step 2: Convert to fraction form
    138,452,894.53/191,123,825.00 = 86,267,713.37/x
  3. Step 3: Cross multiply
    138,452,894.53x = 191,123,825.00 × 86,267,713.37
  4. Step 4: Simplify right side
    138,452,894.53x = 16,487,815,351,891,082
  5. Step 5: Solve for x
    x = 16,487,815,351,891,082/138,452,894.53
  6. Step 6: Final answer
    x = 119,086,100.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.