Home / 187,090,634.38-280,632,864.12-55,933,216.92

Finding the Fourth Proportional to 187,090,634.38, 280,632,864.12 and 55,933,216.92

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Solution

The fourth proportional to 187,090,634.38, 280,632,864.12 and 55,933,216.92 is: 83,898,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,090,634.38 : 280,632,864.12 = 55,933,216.92 : x
  2. Step 2: Convert to fraction form
    187,090,634.38/280,632,864.12 = 55,933,216.92/x
  3. Step 3: Cross multiply
    187,090,634.38x = 280,632,864.12 × 55,933,216.92
  4. Step 4: Simplify right side
    187,090,634.38x = 15,696,698,863,704,846
  5. Step 5: Solve for x
    x = 15,696,698,863,704,846/187,090,634.38
  6. Step 6: Final answer
    x = 83,898,902.35

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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.