Home / 198,161,885.60-297,136,540.20-83,016,335.60

Finding the Fourth Proportional to 198,161,885.60, 297,136,540.20 and 83,016,335.60

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Solution

The fourth proportional to 198,161,885.60, 297,136,540.20 and 83,016,335.60 is: 124,479,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161,885.60 : 297,136,540.20 = 83,016,335.60 : x
  2. Step 2: Convert to fraction form
    198,161,885.60/297,136,540.20 = 83,016,335.60/x
  3. Step 3: Cross multiply
    198,161,885.60x = 297,136,540.20 × 83,016,335.60
  4. Step 4: Simplify right side
    198,161,885.60x = 24,667,186,740,266,088
  5. Step 5: Solve for x
    x = 24,667,186,740,266,088/198,161,885.60
  6. Step 6: Final answer
    x = 124,479,975.88

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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.