Home / 86,720,879.64-119,663,781.23-49,553,569.14

Finding the Fourth Proportional to 86,720,879.64, 119,663,781.23 and 49,553,569.14

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Solution

The fourth proportional to 86,720,879.64, 119,663,781.23 and 49,553,569.14 is: 68,377,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720,879.64 : 119,663,781.23 = 49,553,569.14 : x
  2. Step 2: Convert to fraction form
    86,720,879.64/119,663,781.23 = 49,553,569.14/x
  3. Step 3: Cross multiply
    86,720,879.64x = 119,663,781.23 × 49,553,569.14
  4. Step 4: Simplify right side
    86,720,879.64x = 5,929,767,456,486,871
  5. Step 5: Solve for x
    x = 5,929,767,456,486,871/86,720,879.64
  6. Step 6: Final answer
    x = 68,377,621.18

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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.