Home / 65,611,401.20-98,417,101.80-20,173,195.70

Finding the Fourth Proportional to 65,611,401.20, 98,417,101.80 and 20,173,195.70

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Solution

The fourth proportional to 65,611,401.20, 98,417,101.80 and 20,173,195.70 is: 30,259,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,611,401.20 : 98,417,101.80 = 20,173,195.70 : x
  2. Step 2: Convert to fraction form
    65,611,401.20/98,417,101.80 = 20,173,195.70/x
  3. Step 3: Cross multiply
    65,611,401.20x = 98,417,101.80 × 20,173,195.70
  4. Step 4: Simplify right side
    65,611,401.20x = 1,985,387,454,838,222.25
  5. Step 5: Solve for x
    x = 1,985,387,454,838,222.25/65,611,401.20
  6. Step 6: Final answer
    x = 30,259,793.55

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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.