Home / 155,280,361.80-232,722,728.55-82,531,993.80

Finding the Fourth Proportional to 155,280,361.80, 232,722,728.55 and 82,531,993.80

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Solution

The fourth proportional to 155,280,361.80, 232,722,728.55 and 82,531,993.80 is: 123,692,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,280,361.80 : 232,722,728.55 = 82,531,993.80 : x
  2. Step 2: Convert to fraction form
    155,280,361.80/232,722,728.55 = 82,531,993.80/x
  3. Step 3: Cross multiply
    155,280,361.80x = 232,722,728.55 × 82,531,993.80
  4. Step 4: Simplify right side
    155,280,361.80x = 19,207,070,789,807,684
  5. Step 5: Solve for x
    x = 19,207,070,789,807,684/155,280,361.80
  6. Step 6: Final answer
    x = 123,692,851.87

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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.