Home / 259,221,785.96-388,833,073.28-105,867,842.40

Finding the Fourth Proportional to 259,221,785.96, 388,833,073.28 and 105,867,842.40

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Solution

The fourth proportional to 259,221,785.96, 388,833,073.28 and 105,867,842.40 is: 158,801,924.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,221,785.96 : 388,833,073.28 = 105,867,842.40 : x
  2. Step 2: Convert to fraction form
    259,221,785.96/388,833,073.28 = 105,867,842.40/x
  3. Step 3: Cross multiply
    259,221,785.96x = 388,833,073.28 × 105,867,842.40
  4. Step 4: Simplify right side
    259,221,785.96x = 41,164,918,521,782,360
  5. Step 5: Solve for x
    x = 41,164,918,521,782,360/259,221,785.96
  6. Step 6: Final answer
    x = 158,801,924.65

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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.