Home / 155,280,338.30-232,722,693.30-82,531,970.30

Finding the Fourth Proportional to 155,280,338.30, 232,722,693.30 and 82,531,970.30

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Solution

The fourth proportional to 155,280,338.30, 232,722,693.30 and 82,531,970.30 is: 123,692,816.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,338.30 : 232,722,693.30 = 82,531,970.30 : x
  2. Step 2: Convert to fraction form
    155,280,338.30/232,722,693.30 = 82,531,970.30/x
  3. Step 3: Cross multiply
    155,280,338.30x = 232,722,693.30 × 82,531,970.30
  4. Step 4: Simplify right side
    155,280,338.30x = 19,207,062,411,571,608
  5. Step 5: Solve for x
    x = 19,207,062,411,571,608/155,280,338.30
  6. Step 6: Final answer
    x = 123,692,816.63

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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.