Home / 131,220,610.20-196,830,915.30-54,598,627.80

Finding the Fourth Proportional to 131,220,610.20, 196,830,915.30 and 54,598,627.80

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Solution

The fourth proportional to 131,220,610.20, 196,830,915.30 and 54,598,627.80 is: 81,897,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,610.20 : 196,830,915.30 = 54,598,627.80 : x
  2. Step 2: Convert to fraction form
    131,220,610.20/196,830,915.30 = 54,598,627.80/x
  3. Step 3: Cross multiply
    131,220,610.20x = 196,830,915.30 × 54,598,627.80
  4. Step 4: Simplify right side
    131,220,610.20x = 10,746,697,883,998,026
  5. Step 5: Solve for x
    x = 10,746,697,883,998,026/131,220,610.20
  6. Step 6: Final answer
    x = 81,897,941.70

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Similar ratio
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1.5x scale

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.