Home / 84,418,729.12-116,405,335.48-54,995,498.20

Finding the Fourth Proportional to 84,418,729.12, 116,405,335.48 and 54,995,498.20

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Solution

The fourth proportional to 84,418,729.12, 116,405,335.48 and 54,995,498.20 is: 75,833,520.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418,729.12 : 116,405,335.48 = 54,995,498.20 : x
  2. Step 2: Convert to fraction form
    84,418,729.12/116,405,335.48 = 54,995,498.20/x
  3. Step 3: Cross multiply
    84,418,729.12x = 116,405,335.48 × 54,995,498.20
  4. Step 4: Simplify right side
    84,418,729.12x = 6,401,769,417,860,737
  5. Step 5: Solve for x
    x = 6,401,769,417,860,737/84,418,729.12
  6. Step 6: Final answer
    x = 75,833,520.41

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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.