Home / 20,745,165.10-31,117,747.65-20,745,165.10

Finding the Fourth Proportional to 20,745,165.10, 31,117,747.65 and 20,745,165.10

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Solution

The fourth proportional to 20,745,165.10, 31,117,747.65 and 20,745,165.10 is: 31,117,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745,165.10 : 31,117,747.65 = 20,745,165.10 : x
  2. Step 2: Convert to fraction form
    20,745,165.10/31,117,747.65 = 20,745,165.10/x
  3. Step 3: Cross multiply
    20,745,165.10x = 31,117,747.65 × 20,745,165.10
  4. Step 4: Simplify right side
    20,745,165.10x = 645,542,812,539,387
  5. Step 5: Solve for x
    x = 645,542,812,539,387/20,745,165.10
  6. Step 6: Final answer
    x = 31,117,747.65

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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.