Home / 71,697,917.45-107,546,712.15-30,730,792.88

Finding the Fourth Proportional to 71,697,917.45, 107,546,712.15 and 30,730,792.88

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Solution

The fourth proportional to 71,697,917.45, 107,546,712.15 and 30,730,792.88 is: 46,096,119.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,697,917.45 : 107,546,712.15 = 30,730,792.88 : x
  2. Step 2: Convert to fraction form
    71,697,917.45/107,546,712.15 = 30,730,792.88/x
  3. Step 3: Cross multiply
    71,697,917.45x = 107,546,712.15 × 30,730,792.88
  4. Step 4: Simplify right side
    71,697,917.45x = 3,304,995,736,006,629.50
  5. Step 5: Solve for x
    x = 3,304,995,736,006,629.50/71,697,917.45
  6. Step 6: Final answer
    x = 46,096,119.02

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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.