Home / 345,482,506.32-518,223,759.52-115,451,590.98

Finding the Fourth Proportional to 345,482,506.32, 518,223,759.52 and 115,451,590.98

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Solution

The fourth proportional to 345,482,506.32, 518,223,759.52 and 115,451,590.98 is: 173,177,386.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,482,506.32 : 518,223,759.52 = 115,451,590.98 : x
  2. Step 2: Convert to fraction form
    345,482,506.32/518,223,759.52 = 115,451,590.98/x
  3. Step 3: Cross multiply
    345,482,506.32x = 518,223,759.52 × 115,451,590.98
  4. Step 4: Simplify right side
    345,482,506.32x = 59,829,757,520,220,920
  5. Step 5: Solve for x
    x = 59,829,757,520,220,920/345,482,506.32
  6. Step 6: Final answer
    x = 173,177,386.48

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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.