Home / 82,944,005.40-124,416,008.10-57,377,899.80

Finding the Fourth Proportional to 82,944,005.40, 124,416,008.10 and 57,377,899.80

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Solution

The fourth proportional to 82,944,005.40, 124,416,008.10 and 57,377,899.80 is: 86,066,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,005.40 : 124,416,008.10 = 57,377,899.80 : x
  2. Step 2: Convert to fraction form
    82,944,005.40/124,416,008.10 = 57,377,899.80/x
  3. Step 3: Cross multiply
    82,944,005.40x = 124,416,008.10 × 57,377,899.80
  4. Step 4: Simplify right side
    82,944,005.40x = 7,138,729,246,277,788
  5. Step 5: Solve for x
    x = 7,138,729,246,277,788/82,944,005.40
  6. Step 6: Final answer
    x = 86,066,849.70

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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.