Home / 155,157,560.70-232,793,092.22-72,198,878.51

Finding the Fourth Proportional to 155,157,560.70, 232,793,092.22 and 72,198,878.51

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Solution

The fourth proportional to 155,157,560.70, 232,793,092.22 and 72,198,878.51 is: 108,324,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,157,560.70 : 232,793,092.22 = 72,198,878.51 : x
  2. Step 2: Convert to fraction form
    155,157,560.70/232,793,092.22 = 72,198,878.51/x
  3. Step 3: Cross multiply
    155,157,560.70x = 232,793,092.22 × 72,198,878.51
  4. Step 4: Simplify right side
    155,157,560.70x = 16,807,400,181,634,046
  5. Step 5: Solve for x
    x = 16,807,400,181,634,046/155,157,560.70
  6. Step 6: Final answer
    x = 108,324,725.56

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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.