Home / 345,482,520.83-518,223,781.19-115,451,605.47

Finding the Fourth Proportional to 345,482,520.83, 518,223,781.19 and 115,451,605.47

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Solution

The fourth proportional to 345,482,520.83, 518,223,781.19 and 115,451,605.47 is: 173,177,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,482,520.83 : 518,223,781.19 = 115,451,605.47 : x
  2. Step 2: Convert to fraction form
    345,482,520.83/518,223,781.19 = 115,451,605.47/x
  3. Step 3: Cross multiply
    345,482,520.83x = 518,223,781.19 × 115,451,605.47
  4. Step 4: Simplify right side
    345,482,520.83x = 59,829,767,531,119,488
  5. Step 5: Solve for x
    x = 59,829,767,531,119,488/345,482,520.83
  6. Step 6: Final answer
    x = 173,177,408.19

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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.