Home / 77,777,768.30-116,592,002.85-60,496,385.90

Finding the Fourth Proportional to 77,777,768.30, 116,592,002.85 and 60,496,385.90

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Solution

The fourth proportional to 77,777,768.30, 116,592,002.85 and 60,496,385.90 is: 90,686,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,777,768.30 : 116,592,002.85 = 60,496,385.90 : x
  2. Step 2: Convert to fraction form
    77,777,768.30/116,592,002.85 = 60,496,385.90/x
  3. Step 3: Cross multiply
    77,777,768.30x = 116,592,002.85 × 60,496,385.90
  4. Step 4: Simplify right side
    77,777,768.30x = 7,053,394,797,267,499
  5. Step 5: Solve for x
    x = 7,053,394,797,267,499/77,777,768.30
  6. Step 6: Final answer
    x = 90,686,515.59

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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.