Home / 83,016,856.20-124,525,284.30-52,858,417.80

Finding the Fourth Proportional to 83,016,856.20, 124,525,284.30 and 52,858,417.80

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Solution

The fourth proportional to 83,016,856.20, 124,525,284.30 and 52,858,417.80 is: 79,287,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,016,856.20 : 124,525,284.30 = 52,858,417.80 : x
  2. Step 2: Convert to fraction form
    83,016,856.20/124,525,284.30 = 52,858,417.80/x
  3. Step 3: Cross multiply
    83,016,856.20x = 124,525,284.30 × 52,858,417.80
  4. Step 4: Simplify right side
    83,016,856.20x = 6,582,209,504,193,180
  5. Step 5: Solve for x
    x = 6,582,209,504,193,180/83,016,856.20
  6. Step 6: Final answer
    x = 79,287,626.70

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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.