Home / 69,694,787.72-96,178,886.80-38,754,292.70

Finding the Fourth Proportional to 69,694,787.72, 96,178,886.80 and 38,754,292.70

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Solution

The fourth proportional to 69,694,787.72, 96,178,886.80 and 38,754,292.70 is: 53,480,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,694,787.72 : 96,178,886.80 = 38,754,292.70 : x
  2. Step 2: Convert to fraction form
    69,694,787.72/96,178,886.80 = 38,754,292.70/x
  3. Step 3: Cross multiply
    69,694,787.72x = 96,178,886.80 × 38,754,292.70
  4. Step 4: Simplify right side
    69,694,787.72x = 3,727,344,730,750,928
  5. Step 5: Solve for x
    x = 3,727,344,730,750,928/69,694,787.72
  6. Step 6: Final answer
    x = 53,480,968.27

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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.