Home / 145,156,935.20-217,735,402.80-49,418,823.20

Finding the Fourth Proportional to 145,156,935.20, 217,735,402.80 and 49,418,823.20

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Solution

The fourth proportional to 145,156,935.20, 217,735,402.80 and 49,418,823.20 is: 74,128,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,935.20 : 217,735,402.80 = 49,418,823.20 : x
  2. Step 2: Convert to fraction form
    145,156,935.20/217,735,402.80 = 49,418,823.20/x
  3. Step 3: Cross multiply
    145,156,935.20x = 217,735,402.80 × 49,418,823.20
  4. Step 4: Simplify right side
    145,156,935.20x = 10,760,227,375,353,986
  5. Step 5: Solve for x
    x = 10,760,227,375,353,986/145,156,935.20
  6. Step 6: Final answer
    x = 74,128,234.80

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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.