Home / 125,960,761.70-188,941,142.55-53,259,632.90

Finding the Fourth Proportional to 125,960,761.70, 188,941,142.55 and 53,259,632.90

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Solution

The fourth proportional to 125,960,761.70, 188,941,142.55 and 53,259,632.90 is: 79,889,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960,761.70 : 188,941,142.55 = 53,259,632.90 : x
  2. Step 2: Convert to fraction form
    125,960,761.70/188,941,142.55 = 53,259,632.90/x
  3. Step 3: Cross multiply
    125,960,761.70x = 188,941,142.55 × 53,259,632.90
  4. Step 4: Simplify right side
    125,960,761.70x = 10,062,935,891,919,570
  5. Step 5: Solve for x
    x = 10,062,935,891,919,570/125,960,761.70
  6. Step 6: Final answer
    x = 79,889,449.35

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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.