Home / 165,138,839.10-247,708,258.65-110,719,280.70

Finding the Fourth Proportional to 165,138,839.10, 247,708,258.65 and 110,719,280.70

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Solution

The fourth proportional to 165,138,839.10, 247,708,258.65 and 110,719,280.70 is: 166,078,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,138,839.10 : 247,708,258.65 = 110,719,280.70 : x
  2. Step 2: Convert to fraction form
    165,138,839.10/247,708,258.65 = 110,719,280.70/x
  3. Step 3: Cross multiply
    165,138,839.10x = 247,708,258.65 × 110,719,280.70
  4. Step 4: Simplify right side
    165,138,839.10x = 27,426,080,221,177,556
  5. Step 5: Solve for x
    x = 27,426,080,221,177,556/165,138,839.10
  6. Step 6: Final answer
    x = 166,078,921.05

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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.