Home / 115,287,036.40-159,080,397.78-68,867,436.52

Finding the Fourth Proportional to 115,287,036.40, 159,080,397.78 and 68,867,436.52

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Solution

The fourth proportional to 115,287,036.40, 159,080,397.78 and 68,867,436.52 is: 95,027,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,287,036.40 : 159,080,397.78 = 68,867,436.52 : x
  2. Step 2: Convert to fraction form
    115,287,036.40/159,080,397.78 = 68,867,436.52/x
  3. Step 3: Cross multiply
    115,287,036.40x = 159,080,397.78 × 68,867,436.52
  4. Step 4: Simplify right side
    115,287,036.40x = 10,955,459,195,690,498
  5. Step 5: Solve for x
    x = 10,955,459,195,690,498/115,287,036.40
  6. Step 6: Final answer
    x = 95,027,676.47

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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.