Home / 248,071,274.11-372,078,518.10-66,332,623.87

Finding the Fourth Proportional to 248,071,274.11, 372,078,518.10 and 66,332,623.87

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Solution

The fourth proportional to 248,071,274.11, 372,078,518.10 and 66,332,623.87 is: 99,491,343.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,071,274.11 : 372,078,518.10 = 66,332,623.87 : x
  2. Step 2: Convert to fraction form
    248,071,274.11/372,078,518.10 = 66,332,623.87/x
  3. Step 3: Cross multiply
    248,071,274.11x = 372,078,518.10 × 66,332,623.87
  4. Step 4: Simplify right side
    248,071,274.11x = 24,680,944,391,234,288
  5. Step 5: Solve for x
    x = 24,680,944,391,234,288/248,071,274.11
  6. Step 6: Final answer
    x = 99,491,343.69

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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.