Home / 72,221,418.55-99,665,546.49-41,282,251.93

Finding the Fourth Proportional to 72,221,418.55, 99,665,546.49 and 41,282,251.93

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Solution

The fourth proportional to 72,221,418.55, 99,665,546.49 and 41,282,251.93 is: 56,969,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221,418.55 : 99,665,546.49 = 41,282,251.93 : x
  2. Step 2: Convert to fraction form
    72,221,418.55/99,665,546.49 = 41,282,251.93/x
  3. Step 3: Cross multiply
    72,221,418.55x = 99,665,546.49 × 41,282,251.93
  4. Step 4: Simplify right side
    72,221,418.55x = 4,114,418,198,941,307
  5. Step 5: Solve for x
    x = 4,114,418,198,941,307/72,221,418.55
  6. Step 6: Final answer
    x = 56,969,501.31

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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.