Home / 86,720,877.39-119,663,778.12-49,553,566.89

Finding the Fourth Proportional to 86,720,877.39, 119,663,778.12 and 49,553,566.89

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Solution

The fourth proportional to 86,720,877.39, 119,663,778.12 and 49,553,566.89 is: 68,377,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,720,877.39 : 119,663,778.12 = 49,553,566.89 : x
  2. Step 2: Convert to fraction form
    86,720,877.39/119,663,778.12 = 49,553,566.89/x
  3. Step 3: Cross multiply
    86,720,877.39x = 119,663,778.12 × 49,553,566.89
  4. Step 4: Simplify right side
    86,720,877.39x = 5,929,767,033,379,539
  5. Step 5: Solve for x
    x = 5,929,767,033,379,539/86,720,877.39
  6. Step 6: Final answer
    x = 68,377,618.08

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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.