Home / 102,915,937.12-154,377,315.60-51,770,086.24

Finding the Fourth Proportional to 102,915,937.12, 154,377,315.60 and 51,770,086.24

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Solution

The fourth proportional to 102,915,937.12, 154,377,315.60 and 51,770,086.24 is: 77,656,844.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,915,937.12 : 154,377,315.60 = 51,770,086.24 : x
  2. Step 2: Convert to fraction form
    102,915,937.12/154,377,315.60 = 51,770,086.24/x
  3. Step 3: Cross multiply
    102,915,937.12x = 154,377,315.60 × 51,770,086.24
  4. Step 4: Simplify right side
    102,915,937.12x = 7,992,126,942,111,697
  5. Step 5: Solve for x
    x = 7,992,126,942,111,697/102,915,937.12
  6. Step 6: Final answer
    x = 77,656,844.66

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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.