Home / 265,295,116.38-398,014,320.28-81,057,568.74

Finding the Fourth Proportional to 265,295,116.38, 398,014,320.28 and 81,057,568.74

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Solution

The fourth proportional to 265,295,116.38, 398,014,320.28 and 81,057,568.74 is: 121,608,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,295,116.38 : 398,014,320.28 = 81,057,568.74 : x
  2. Step 2: Convert to fraction form
    265,295,116.38/398,014,320.28 = 81,057,568.74/x
  3. Step 3: Cross multiply
    265,295,116.38x = 398,014,320.28 × 81,057,568.74
  4. Step 4: Simplify right side
    265,295,116.38x = 32,262,073,125,600,472
  5. Step 5: Solve for x
    x = 32,262,073,125,600,472/265,295,116.38
  6. Step 6: Final answer
    x = 121,608,243.55

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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.