Home / 109,972,446.59-151,757,067.14-65,943,740.72

Finding the Fourth Proportional to 109,972,446.59, 151,757,067.14 and 65,943,740.72

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Solution

The fourth proportional to 109,972,446.59, 151,757,067.14 and 65,943,740.72 is: 90,999,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,972,446.59 : 151,757,067.14 = 65,943,740.72 : x
  2. Step 2: Convert to fraction form
    109,972,446.59/151,757,067.14 = 65,943,740.72/x
  3. Step 3: Cross multiply
    109,972,446.59x = 151,757,067.14 × 65,943,740.72
  4. Step 4: Simplify right side
    109,972,446.59x = 10,007,428,688,204,754
  5. Step 5: Solve for x
    x = 10,007,428,688,204,754/109,972,446.59
  6. Step 6: Final answer
    x = 90,999,418.48

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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.