Home / 71,912,811.29-107,857,407.13-30,961,225.35

Finding the Fourth Proportional to 71,912,811.29, 107,857,407.13 and 30,961,225.35

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Solution

The fourth proportional to 71,912,811.29, 107,857,407.13 and 30,961,225.35 is: 46,436,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,912,811.29 : 107,857,407.13 = 30,961,225.35 : x
  2. Step 2: Convert to fraction form
    71,912,811.29/107,857,407.13 = 30,961,225.35/x
  3. Step 3: Cross multiply
    71,912,811.29x = 107,857,407.13 × 30,961,225.35
  4. Step 4: Simplify right side
    71,912,811.29x = 3,339,397,487,741,224
  5. Step 5: Solve for x
    x = 3,339,397,487,741,224/71,912,811.29
  6. Step 6: Final answer
    x = 46,436,753.45

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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.