Home / 78,724,044.07-108,660,789.06-45,694,934.18

Finding the Fourth Proportional to 78,724,044.07, 108,660,789.06 and 45,694,934.18

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Solution

The fourth proportional to 78,724,044.07, 108,660,789.06 and 45,694,934.18 is: 63,071,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724,044.07 : 108,660,789.06 = 45,694,934.18 : x
  2. Step 2: Convert to fraction form
    78,724,044.07/108,660,789.06 = 45,694,934.18/x
  3. Step 3: Cross multiply
    78,724,044.07x = 108,660,789.06 × 45,694,934.18
  4. Step 4: Simplify right side
    78,724,044.07x = 4,965,247,603,736,382
  5. Step 5: Solve for x
    x = 4,965,247,603,736,382/78,724,044.07
  6. Step 6: Final answer
    x = 63,071,551.55

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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.