Home / 209,220,123.30-313,830,184.95-65,612,724.90

Finding the Fourth Proportional to 209,220,123.30, 313,830,184.95 and 65,612,724.90

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Solution

The fourth proportional to 209,220,123.30, 313,830,184.95 and 65,612,724.90 is: 98,419,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,220,123.30 : 313,830,184.95 = 65,612,724.90 : x
  2. Step 2: Convert to fraction form
    209,220,123.30/313,830,184.95 = 65,612,724.90/x
  3. Step 3: Cross multiply
    209,220,123.30x = 313,830,184.95 × 65,612,724.90
  4. Step 4: Simplify right side
    209,220,123.30x = 20,591,253,590,440,468
  5. Step 5: Solve for x
    x = 20,591,253,590,440,468/209,220,123.30
  6. Step 6: Final answer
    x = 98,419,087.35

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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.