Home / 155,280,310.80-232,722,652.05-82,531,942.80

Finding the Fourth Proportional to 155,280,310.80, 232,722,652.05 and 82,531,942.80

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Solution

The fourth proportional to 155,280,310.80, 232,722,652.05 and 82,531,942.80 is: 123,692,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,310.80 : 232,722,652.05 = 82,531,942.80 : x
  2. Step 2: Convert to fraction form
    155,280,310.80/232,722,652.05 = 82,531,942.80/x
  3. Step 3: Cross multiply
    155,280,310.80x = 232,722,652.05 × 82,531,942.80
  4. Step 4: Simplify right side
    155,280,310.80x = 19,207,052,607,254,904
  5. Step 5: Solve for x
    x = 19,207,052,607,254,904/155,280,310.80
  6. Step 6: Final answer
    x = 123,692,775.40

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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.