Home / 83,112,209.60-124,668,314.40-67,995,665.60

Finding the Fourth Proportional to 83,112,209.60, 124,668,314.40 and 67,995,665.60

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Solution

The fourth proportional to 83,112,209.60, 124,668,314.40 and 67,995,665.60 is: 101,993,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,112,209.60 : 124,668,314.40 = 67,995,665.60 : x
  2. Step 2: Convert to fraction form
    83,112,209.60/124,668,314.40 = 67,995,665.60/x
  3. Step 3: Cross multiply
    83,112,209.60x = 124,668,314.40 × 67,995,665.60
  4. Step 4: Simplify right side
    83,112,209.60x = 8,476,905,016,858,064
  5. Step 5: Solve for x
    x = 8,476,905,016,858,064/83,112,209.60
  6. Step 6: Final answer
    x = 101,993,498.40

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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.