Home / 345,482,517.57-518,223,776.30-115,451,602.22

Finding the Fourth Proportional to 345,482,517.57, 518,223,776.30 and 115,451,602.22

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Solution

The fourth proportional to 345,482,517.57, 518,223,776.30 and 115,451,602.22 is: 173,177,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,482,517.57 : 518,223,776.30 = 115,451,602.22 : x
  2. Step 2: Convert to fraction form
    345,482,517.57/518,223,776.30 = 115,451,602.22/x
  3. Step 3: Cross multiply
    345,482,517.57x = 518,223,776.30 × 115,451,602.22
  4. Step 4: Simplify right side
    345,482,517.57x = 59,829,765,283,485,104
  5. Step 5: Solve for x
    x = 59,829,765,283,485,104/345,482,517.57
  6. Step 6: Final answer
    x = 173,177,403.32

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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.