Home / 155,280,337.80-232,722,692.55-82,531,969.80

Finding the Fourth Proportional to 155,280,337.80, 232,722,692.55 and 82,531,969.80

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Solution

The fourth proportional to 155,280,337.80, 232,722,692.55 and 82,531,969.80 is: 123,692,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,337.80 : 232,722,692.55 = 82,531,969.80 : x
  2. Step 2: Convert to fraction form
    155,280,337.80/232,722,692.55 = 82,531,969.80/x
  3. Step 3: Cross multiply
    155,280,337.80x = 232,722,692.55 × 82,531,969.80
  4. Step 4: Simplify right side
    155,280,337.80x = 19,207,062,233,311,284
  5. Step 5: Solve for x
    x = 19,207,062,233,311,284/155,280,337.80
  6. Step 6: Final answer
    x = 123,692,815.88

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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.