Home / 82,732,421.26-123,937,187.80-64,451,016.91

Finding the Fourth Proportional to 82,732,421.26, 123,937,187.80 and 64,451,016.91

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Solution

The fourth proportional to 82,732,421.26, 123,937,187.80 and 64,451,016.91 is: 96,550,755.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732,421.26 : 123,937,187.80 = 64,451,016.91 : x
  2. Step 2: Convert to fraction form
    82,732,421.26/123,937,187.80 = 64,451,016.91/x
  3. Step 3: Cross multiply
    82,732,421.26x = 123,937,187.80 × 64,451,016.91
  4. Step 4: Simplify right side
    82,732,421.26x = 7,987,877,786,675,645
  5. Step 5: Solve for x
    x = 7,987,877,786,675,645/82,732,421.26
  6. Step 6: Final answer
    x = 96,550,755.62

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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.