Home / 215,676,823.40-323,515,235.10-194,177,738.60

Finding the Fourth Proportional to 215,676,823.40, 323,515,235.10 and 194,177,738.60

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Solution

The fourth proportional to 215,676,823.40, 323,515,235.10 and 194,177,738.60 is: 291,266,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,676,823.40 : 323,515,235.10 = 194,177,738.60 : x
  2. Step 2: Convert to fraction form
    215,676,823.40/323,515,235.10 = 194,177,738.60/x
  3. Step 3: Cross multiply
    215,676,823.40x = 323,515,235.10 × 194,177,738.60
  4. Step 4: Simplify right side
    215,676,823.40x = 62,819,456,754,365,344
  5. Step 5: Solve for x
    x = 62,819,456,754,365,344/215,676,823.40
  6. Step 6: Final answer
    x = 291,266,607.90

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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.