Home / 155,280,309.30-232,722,649.80-82,531,941.30

Finding the Fourth Proportional to 155,280,309.30, 232,722,649.80 and 82,531,941.30

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Solution

The fourth proportional to 155,280,309.30, 232,722,649.80 and 82,531,941.30 is: 123,692,773.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,309.30 : 232,722,649.80 = 82,531,941.30 : x
  2. Step 2: Convert to fraction form
    155,280,309.30/232,722,649.80 = 82,531,941.30/x
  3. Step 3: Cross multiply
    155,280,309.30x = 232,722,649.80 × 82,531,941.30
  4. Step 4: Simplify right side
    155,280,309.30x = 19,207,052,072,474,056
  5. Step 5: Solve for x
    x = 19,207,052,072,474,056/155,280,309.30
  6. Step 6: Final answer
    x = 123,692,773.15

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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.