Home / 155,280,209.30-232,722,499.80-82,531,841.30

Finding the Fourth Proportional to 155,280,209.30, 232,722,499.80 and 82,531,841.30

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Solution

The fourth proportional to 155,280,209.30, 232,722,499.80 and 82,531,841.30 is: 123,692,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,209.30 : 232,722,499.80 = 82,531,841.30 : x
  2. Step 2: Convert to fraction form
    155,280,209.30/232,722,499.80 = 82,531,841.30/x
  3. Step 3: Cross multiply
    155,280,209.30x = 232,722,499.80 × 82,531,841.30
  4. Step 4: Simplify right side
    155,280,209.30x = 19,207,016,420,432,884
  5. Step 5: Solve for x
    x = 19,207,016,420,432,884/155,280,209.30
  6. Step 6: Final answer
    x = 123,692,623.21

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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.