Home / 158,524,871.10-237,787,306.65-72,431,429.10

Finding the Fourth Proportional to 158,524,871.10, 237,787,306.65 and 72,431,429.10

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Solution

The fourth proportional to 158,524,871.10, 237,787,306.65 and 72,431,429.10 is: 108,647,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,524,871.10 : 237,787,306.65 = 72,431,429.10 : x
  2. Step 2: Convert to fraction form
    158,524,871.10/237,787,306.65 = 72,431,429.10/x
  3. Step 3: Cross multiply
    158,524,871.10x = 237,787,306.65 × 72,431,429.10
  4. Step 4: Simplify right side
    158,524,871.10x = 17,223,274,442,499,432
  5. Step 5: Solve for x
    x = 17,223,274,442,499,432/158,524,871.10
  6. Step 6: Final answer
    x = 108,647,143.65

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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.