Home / 82,044,098.40-123,066,147.60-71,427,266.40

Finding the Fourth Proportional to 82,044,098.40, 123,066,147.60 and 71,427,266.40

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Solution

The fourth proportional to 82,044,098.40, 123,066,147.60 and 71,427,266.40 is: 107,140,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,044,098.40 : 123,066,147.60 = 71,427,266.40 : x
  2. Step 2: Convert to fraction form
    82,044,098.40/123,066,147.60 = 71,427,266.40/x
  3. Step 3: Cross multiply
    82,044,098.40x = 123,066,147.60 × 71,427,266.40
  4. Step 4: Simplify right side
    82,044,098.40x = 8,790,278,509,446,921
  5. Step 5: Solve for x
    x = 8,790,278,509,446,921/82,044,098.40
  6. Step 6: Final answer
    x = 107,140,899.60

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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.