Home / 259,221,788.47-388,833,077.03-105,867,844.90

Finding the Fourth Proportional to 259,221,788.47, 388,833,077.03 and 105,867,844.90

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Solution

The fourth proportional to 259,221,788.47, 388,833,077.03 and 105,867,844.90 is: 158,801,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,221,788.47 : 388,833,077.03 = 105,867,844.90 : x
  2. Step 2: Convert to fraction form
    259,221,788.47/388,833,077.03 = 105,867,844.90/x
  3. Step 3: Cross multiply
    259,221,788.47x = 388,833,077.03 × 105,867,844.90
  4. Step 4: Simplify right side
    259,221,788.47x = 41,164,919,891,001,792
  5. Step 5: Solve for x
    x = 41,164,919,891,001,792/259,221,788.47
  6. Step 6: Final answer
    x = 158,801,928.39

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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.