Home / 31,165,847.55-43,013,142.12-17,934,752.54

Finding the Fourth Proportional to 31,165,847.55, 43,013,142.12 and 17,934,752.54

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Solution

The fourth proportional to 31,165,847.55, 43,013,142.12 and 17,934,752.54 is: 24,752,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165,847.55 : 43,013,142.12 = 17,934,752.54 : x
  2. Step 2: Convert to fraction form
    31,165,847.55/43,013,142.12 = 17,934,752.54/x
  3. Step 3: Cross multiply
    31,165,847.55x = 43,013,142.12 × 17,934,752.54
  4. Step 4: Simplify right side
    31,165,847.55x = 771,430,059,890,050.88
  5. Step 5: Solve for x
    x = 771,430,059,890,050.88/31,165,847.55
  6. Step 6: Final answer
    x = 24,752,417.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.