Home / 209,220,247.30-313,830,370.95-65,612,848.90

Finding the Fourth Proportional to 209,220,247.30, 313,830,370.95 and 65,612,848.90

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Solution

The fourth proportional to 209,220,247.30, 313,830,370.95 and 65,612,848.90 is: 98,419,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,220,247.30 : 313,830,370.95 = 65,612,848.90 : x
  2. Step 2: Convert to fraction form
    209,220,247.30/313,830,370.95 = 65,612,848.90/x
  3. Step 3: Cross multiply
    209,220,247.30x = 313,830,370.95 × 65,612,848.90
  4. Step 4: Simplify right side
    209,220,247.30x = 20,591,304,709,373,300
  5. Step 5: Solve for x
    x = 20,591,304,709,373,300/209,220,247.30
  6. Step 6: Final answer
    x = 98,419,273.35

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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.