Home / 141,378,497.28-195,103,496.34-79,498,294.56

Finding the Fourth Proportional to 141,378,497.28, 195,103,496.34 and 79,498,294.56

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Solution

The fourth proportional to 141,378,497.28, 195,103,496.34 and 79,498,294.56 is: 109,708,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,378,497.28 : 195,103,496.34 = 79,498,294.56 : x
  2. Step 2: Convert to fraction form
    141,378,497.28/195,103,496.34 = 79,498,294.56/x
  3. Step 3: Cross multiply
    141,378,497.28x = 195,103,496.34 × 79,498,294.56
  4. Step 4: Simplify right side
    141,378,497.28x = 15,510,395,221,723,202
  5. Step 5: Solve for x
    x = 15,510,395,221,723,202/141,378,497.28
  6. Step 6: Final answer
    x = 109,708,304.45

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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.