Home / 108,804,013.70-163,206,020.55-84,145,151.30

Finding the Fourth Proportional to 108,804,013.70, 163,206,020.55 and 84,145,151.30

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Solution

The fourth proportional to 108,804,013.70, 163,206,020.55 and 84,145,151.30 is: 126,217,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,013.70 : 163,206,020.55 = 84,145,151.30 : x
  2. Step 2: Convert to fraction form
    108,804,013.70/163,206,020.55 = 84,145,151.30/x
  3. Step 3: Cross multiply
    108,804,013.70x = 163,206,020.55 × 84,145,151.30
  4. Step 4: Simplify right side
    108,804,013.70x = 13,732,995,292,250,660
  5. Step 5: Solve for x
    x = 13,732,995,292,250,660/108,804,013.70
  6. Step 6: Final answer
    x = 126,217,726.95

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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.