Home / 155,280,223.30-232,722,520.80-82,531,855.30

Finding the Fourth Proportional to 155,280,223.30, 232,722,520.80 and 82,531,855.30

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Solution

The fourth proportional to 155,280,223.30, 232,722,520.80 and 82,531,855.30 is: 123,692,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,223.30 : 232,722,520.80 = 82,531,855.30 : x
  2. Step 2: Convert to fraction form
    155,280,223.30/232,722,520.80 = 82,531,855.30/x
  3. Step 3: Cross multiply
    155,280,223.30x = 232,722,520.80 × 82,531,855.30
  4. Step 4: Simplify right side
    155,280,223.30x = 19,207,021,411,716,840
  5. Step 5: Solve for x
    x = 19,207,021,411,716,840/155,280,223.30
  6. Step 6: Final answer
    x = 123,692,644.20

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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.