Home / 239,239,678.35-358,859,517.72-57,486,856.35

Finding the Fourth Proportional to 239,239,678.35, 358,859,517.72 and 57,486,856.35

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Solution

The fourth proportional to 239,239,678.35, 358,859,517.72 and 57,486,856.35 is: 86,230,284.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,239,678.35 : 358,859,517.72 = 57,486,856.35 : x
  2. Step 2: Convert to fraction form
    239,239,678.35/358,859,517.72 = 57,486,856.35/x
  3. Step 3: Cross multiply
    239,239,678.35x = 358,859,517.72 × 57,486,856.35
  4. Step 4: Simplify right side
    239,239,678.35x = 20,629,705,544,999,920
  5. Step 5: Solve for x
    x = 20,629,705,544,999,920/239,239,678.35
  6. Step 6: Final answer
    x = 86,230,284.57

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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.