Home / 83,108,763.60-124,663,145.40-68,952,987.60

Finding the Fourth Proportional to 83,108,763.60, 124,663,145.40 and 68,952,987.60

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Solution

The fourth proportional to 83,108,763.60, 124,663,145.40 and 68,952,987.60 is: 103,429,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,108,763.60 : 124,663,145.40 = 68,952,987.60 : x
  2. Step 2: Convert to fraction form
    83,108,763.60/124,663,145.40 = 68,952,987.60/x
  3. Step 3: Cross multiply
    83,108,763.60x = 124,663,145.40 × 68,952,987.60
  4. Step 4: Simplify right side
    83,108,763.60x = 8,595,896,318,943,197
  5. Step 5: Solve for x
    x = 8,595,896,318,943,197/83,108,763.60
  6. Step 6: Final answer
    x = 103,429,481.40

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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.