Home / 209,220,333.05-313,830,499.58-65,612,934.65

Finding the Fourth Proportional to 209,220,333.05, 313,830,499.58 and 65,612,934.65

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Solution

The fourth proportional to 209,220,333.05, 313,830,499.58 and 65,612,934.65 is: 98,419,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,220,333.05 : 313,830,499.58 = 65,612,934.65 : x
  2. Step 2: Convert to fraction form
    209,220,333.05/313,830,499.58 = 65,612,934.65/x
  3. Step 3: Cross multiply
    209,220,333.05x = 313,830,499.58 × 65,612,934.65
  4. Step 4: Simplify right side
    209,220,333.05x = 20,591,340,059,791,328
  5. Step 5: Solve for x
    x = 20,591,340,059,791,328/209,220,333.05
  6. Step 6: Final answer
    x = 98,419,401.98

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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.