Home / 104,101,785.23-143,658,018.86-57,691,042.70

Finding the Fourth Proportional to 104,101,785.23, 143,658,018.86 and 57,691,042.70

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Solution

The fourth proportional to 104,101,785.23, 143,658,018.86 and 57,691,042.70 is: 79,612,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101,785.23 : 143,658,018.86 = 57,691,042.70 : x
  2. Step 2: Convert to fraction form
    104,101,785.23/143,658,018.86 = 57,691,042.70/x
  3. Step 3: Cross multiply
    104,101,785.23x = 143,658,018.86 × 57,691,042.70
  4. Step 4: Simplify right side
    104,101,785.23x = 8,287,780,899,242,919
  5. Step 5: Solve for x
    x = 8,287,780,899,242,919/104,101,785.23
  6. Step 6: Final answer
    x = 79,612,284.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.