Home / 187,215,145.20-258,357,785.90-104,708,929.95

Finding the Fourth Proportional to 187,215,145.20, 258,357,785.90 and 104,708,929.95

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Solution

The fourth proportional to 187,215,145.20, 258,357,785.90 and 104,708,929.95 is: 144,498,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,215,145.20 : 258,357,785.90 = 104,708,929.95 : x
  2. Step 2: Convert to fraction form
    187,215,145.20/258,357,785.90 = 104,708,929.95/x
  3. Step 3: Cross multiply
    187,215,145.20x = 258,357,785.90 × 104,708,929.95
  4. Step 4: Simplify right side
    187,215,145.20x = 27,052,367,305,316,656
  5. Step 5: Solve for x
    x = 27,052,367,305,316,656/187,215,145.20
  6. Step 6: Final answer
    x = 144,498,818.60

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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.