Home / 107,921,027.10-161,881,540.65-75,042,543.90

Finding the Fourth Proportional to 107,921,027.10, 161,881,540.65 and 75,042,543.90

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Solution

The fourth proportional to 107,921,027.10, 161,881,540.65 and 75,042,543.90 is: 112,563,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,921,027.10 : 161,881,540.65 = 75,042,543.90 : x
  2. Step 2: Convert to fraction form
    107,921,027.10/161,881,540.65 = 75,042,543.90/x
  3. Step 3: Cross multiply
    107,921,027.10x = 161,881,540.65 × 75,042,543.90
  4. Step 4: Simplify right side
    107,921,027.10x = 12,148,002,620,827,260
  5. Step 5: Solve for x
    x = 12,148,002,620,827,260/107,921,027.10
  6. Step 6: Final answer
    x = 112,563,815.85

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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.