Home / 107,840,206.60-161,760,309.90-82,331,038.60

Finding the Fourth Proportional to 107,840,206.60, 161,760,309.90 and 82,331,038.60

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Solution

The fourth proportional to 107,840,206.60, 161,760,309.90 and 82,331,038.60 is: 123,496,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,840,206.60 : 161,760,309.90 = 82,331,038.60 : x
  2. Step 2: Convert to fraction form
    107,840,206.60/161,760,309.90 = 82,331,038.60/x
  3. Step 3: Cross multiply
    107,840,206.60x = 161,760,309.90 × 82,331,038.60
  4. Step 4: Simplify right side
    107,840,206.60x = 13,317,894,318,324,862
  5. Step 5: Solve for x
    x = 13,317,894,318,324,862/107,840,206.60
  6. Step 6: Final answer
    x = 123,496,557.90

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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.