Home / 198,161,879.60-297,136,531.20-83,016,329.60

Finding the Fourth Proportional to 198,161,879.60, 297,136,531.20 and 83,016,329.60

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Solution

The fourth proportional to 198,161,879.60, 297,136,531.20 and 83,016,329.60 is: 124,479,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,161,879.60 : 297,136,531.20 = 83,016,329.60 : x
  2. Step 2: Convert to fraction form
    198,161,879.60/297,136,531.20 = 83,016,329.60/x
  3. Step 3: Cross multiply
    198,161,879.60x = 297,136,531.20 × 83,016,329.60
  4. Step 4: Simplify right side
    198,161,879.60x = 24,667,184,210,299,880
  5. Step 5: Solve for x
    x = 24,667,184,210,299,880/198,161,879.60
  6. Step 6: Final answer
    x = 124,479,966.88

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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.