Home / 82,952,083.80-124,428,125.70-65,820,000.60

Finding the Fourth Proportional to 82,952,083.80, 124,428,125.70 and 65,820,000.60

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Solution

The fourth proportional to 82,952,083.80, 124,428,125.70 and 65,820,000.60 is: 98,730,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,952,083.80 : 124,428,125.70 = 65,820,000.60 : x
  2. Step 2: Convert to fraction form
    82,952,083.80/124,428,125.70 = 65,820,000.60/x
  3. Step 3: Cross multiply
    82,952,083.80x = 124,428,125.70 × 65,820,000.60
  4. Step 4: Simplify right side
    82,952,083.80x = 8,189,859,308,230,876
  5. Step 5: Solve for x
    x = 8,189,859,308,230,876/82,952,083.80
  6. Step 6: Final answer
    x = 98,730,000.90

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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.