Home / 125,305,013.36-172,918,239.12-69,547,183.49

Finding the Fourth Proportional to 125,305,013.36, 172,918,239.12 and 69,547,183.49

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Solution

The fourth proportional to 125,305,013.36, 172,918,239.12 and 69,547,183.49 is: 95,973,626.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,305,013.36 : 172,918,239.12 = 69,547,183.49 : x
  2. Step 2: Convert to fraction form
    125,305,013.36/172,918,239.12 = 69,547,183.49/x
  3. Step 3: Cross multiply
    125,305,013.36x = 172,918,239.12 × 69,547,183.49
  4. Step 4: Simplify right side
    125,305,013.36x = 12,025,976,503,981,746
  5. Step 5: Solve for x
    x = 12,025,976,503,981,746/125,305,013.36
  6. Step 6: Final answer
    x = 95,973,626.13

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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.