Home / 261,227,181.66-360,484,470.95-143,741,519.79

Finding the Fourth Proportional to 261,227,181.66, 360,484,470.95 and 143,741,519.79

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Solution

The fourth proportional to 261,227,181.66, 360,484,470.95 and 143,741,519.79 is: 198,358,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,227,181.66 : 360,484,470.95 = 143,741,519.79 : x
  2. Step 2: Convert to fraction form
    261,227,181.66/360,484,470.95 = 143,741,519.79/x
  3. Step 3: Cross multiply
    261,227,181.66x = 360,484,470.95 × 143,741,519.79
  4. Step 4: Simplify right side
    261,227,181.66x = 51,816,585,714,328,392
  5. Step 5: Solve for x
    x = 51,816,585,714,328,392/261,227,181.66
  6. Step 6: Final answer
    x = 198,358,323.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.