Home / 345,451,948.67-518,268,809.30-124,145,646.10

Finding the Fourth Proportional to 345,451,948.67, 518,268,809.30 and 124,145,646.10

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Solution

The fourth proportional to 345,451,948.67, 518,268,809.30 and 124,145,646.10 is: 186,251,131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,451,948.67 : 518,268,809.30 = 124,145,646.10 : x
  2. Step 2: Convert to fraction form
    345,451,948.67/518,268,809.30 = 124,145,646.10/x
  3. Step 3: Cross multiply
    345,451,948.67x = 518,268,809.30 × 124,145,646.10
  4. Step 4: Simplify right side
    345,451,948.67x = 64,340,816,182,109,792
  5. Step 5: Solve for x
    x = 64,340,816,182,109,792/345,451,948.67
  6. Step 6: Final answer
    x = 186,251,131.10

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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.