Home / 82,944,068.80-124,416,103.20-65,811,985.60

Finding the Fourth Proportional to 82,944,068.80, 124,416,103.20 and 65,811,985.60

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Solution

The fourth proportional to 82,944,068.80, 124,416,103.20 and 65,811,985.60 is: 98,717,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,068.80 : 124,416,103.20 = 65,811,985.60 : x
  2. Step 2: Convert to fraction form
    82,944,068.80/124,416,103.20 = 65,811,985.60/x
  3. Step 3: Cross multiply
    82,944,068.80x = 124,416,103.20 × 65,811,985.60
  4. Step 4: Simplify right side
    82,944,068.80x = 8,188,070,792,206,514
  5. Step 5: Solve for x
    x = 8,188,070,792,206,514/82,944,068.80
  6. Step 6: Final answer
    x = 98,717,978.40

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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.