Home / 155,280,311.80-232,722,653.55-82,531,943.80

Finding the Fourth Proportional to 155,280,311.80, 232,722,653.55 and 82,531,943.80

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Solution

The fourth proportional to 155,280,311.80, 232,722,653.55 and 82,531,943.80 is: 123,692,776.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,311.80 : 232,722,653.55 = 82,531,943.80 : x
  2. Step 2: Convert to fraction form
    155,280,311.80/232,722,653.55 = 82,531,943.80/x
  3. Step 3: Cross multiply
    155,280,311.80x = 232,722,653.55 × 82,531,943.80
  4. Step 4: Simplify right side
    155,280,311.80x = 19,207,052,963,775,472
  5. Step 5: Solve for x
    x = 19,207,052,963,775,472/155,280,311.80
  6. Step 6: Final answer
    x = 123,692,776.90

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1.5x scale

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.