Home / 201,170,167.20-301,680,601.20-79,976,541.60

Finding the Fourth Proportional to 201,170,167.20, 301,680,601.20 and 79,976,541.60

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Solution

The fourth proportional to 201,170,167.20, 301,680,601.20 and 79,976,541.60 is: 119,935,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,170,167.20 : 301,680,601.20 = 79,976,541.60 : x
  2. Step 2: Convert to fraction form
    201,170,167.20/301,680,601.20 = 79,976,541.60/x
  3. Step 3: Cross multiply
    201,170,167.20x = 301,680,601.20 × 79,976,541.60
  4. Step 4: Simplify right side
    201,170,167.20x = 24,127,371,151,784,808
  5. Step 5: Solve for x
    x = 24,127,371,151,784,808/201,170,167.20
  6. Step 6: Final answer
    x = 119,935,134.95

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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.