Home / 71,697,916.45-107,546,710.65-30,730,791.88

Finding the Fourth Proportional to 71,697,916.45, 107,546,710.65 and 30,730,791.88

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Solution

The fourth proportional to 71,697,916.45, 107,546,710.65 and 30,730,791.88 is: 46,096,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697,916.45 : 107,546,710.65 = 30,730,791.88 : x
  2. Step 2: Convert to fraction form
    71,697,916.45/107,546,710.65 = 30,730,791.88/x
  3. Step 3: Cross multiply
    71,697,916.45x = 107,546,710.65 × 30,730,791.88
  4. Step 4: Simplify right side
    71,697,916.45x = 3,304,995,582,363,729.50
  5. Step 5: Solve for x
    x = 3,304,995,582,363,729.50/71,697,916.45
  6. Step 6: Final answer
    x = 46,096,117.52

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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.