Home / 89,887,021.20-124,008,793.52-52,203,770.04

Finding the Fourth Proportional to 89,887,021.20, 124,008,793.52 and 52,203,770.04

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Solution

The fourth proportional to 89,887,021.20, 124,008,793.52 and 52,203,770.04 is: 72,020,703.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,887,021.20 : 124,008,793.52 = 52,203,770.04 : x
  2. Step 2: Convert to fraction form
    89,887,021.20/124,008,793.52 = 52,203,770.04/x
  3. Step 3: Cross multiply
    89,887,021.20x = 124,008,793.52 × 52,203,770.04
  4. Step 4: Simplify right side
    89,887,021.20x = 6,473,726,539,855,922
  5. Step 5: Solve for x
    x = 6,473,726,539,855,922/89,887,021.20
  6. Step 6: Final answer
    x = 72,020,703.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.