Home / 265,786,906.20-398,680,359.30-71,697,946.20

Finding the Fourth Proportional to 265,786,906.20, 398,680,359.30 and 71,697,946.20

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Solution

The fourth proportional to 265,786,906.20, 398,680,359.30 and 71,697,946.20 is: 107,546,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,786,906.20 : 398,680,359.30 = 71,697,946.20 : x
  2. Step 2: Convert to fraction form
    265,786,906.20/398,680,359.30 = 71,697,946.20/x
  3. Step 3: Cross multiply
    265,786,906.20x = 398,680,359.30 × 71,697,946.20
  4. Step 4: Simplify right side
    265,786,906.20x = 28,584,562,952,088,072
  5. Step 5: Solve for x
    x = 28,584,562,952,088,072/265,786,906.20
  6. Step 6: Final answer
    x = 107,546,919.30

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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.