Home / 259,722,150-358,427,833.56-143,828,646

Finding the Fourth Proportional to 259,722,150, 358,427,833.56 and 143,828,646

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Solution

The fourth proportional to 259,722,150, 358,427,833.56 and 143,828,646 is: 198,489,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,722,150 : 358,427,833.56 = 143,828,646 : x
  2. Step 2: Convert to fraction form
    259,722,150/358,427,833.56 = 143,828,646/x
  3. Step 3: Cross multiply
    259,722,150x = 358,427,833.56 × 143,828,646
  4. Step 4: Simplify right side
    259,722,150x = 51,552,189,989,648,160
  5. Step 5: Solve for x
    x = 51,552,189,989,648,160/259,722,150
  6. Step 6: Final answer
    x = 198,489,770.66

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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.