Home / 83,135,828.80-124,706,594.40-25,627,643.20

Finding the Fourth Proportional to 83,135,828.80, 124,706,594.40 and 25,627,643.20

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Solution

The fourth proportional to 83,135,828.80, 124,706,594.40 and 25,627,643.20 is: 38,442,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135,828.80 : 124,706,594.40 = 25,627,643.20 : x
  2. Step 2: Convert to fraction form
    83,135,828.80/124,706,594.40 = 25,627,643.20/x
  3. Step 3: Cross multiply
    83,135,828.80x = 124,706,594.40 × 25,627,643.20
  4. Step 4: Simplify right side
    83,135,828.80x = 3,195,936,105,970,318
  5. Step 5: Solve for x
    x = 3,195,936,105,970,318/83,135,828.80
  6. Step 6: Final answer
    x = 38,442,343.72

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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.