Home / 110,387,117.70-165,394,672.20-87,269,434.20

Finding the Fourth Proportional to 110,387,117.70, 165,394,672.20 and 87,269,434.20

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Solution

The fourth proportional to 110,387,117.70, 165,394,672.20 and 87,269,434.20 is: 130,757,100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,387,117.70 : 165,394,672.20 = 87,269,434.20 : x
  2. Step 2: Convert to fraction form
    110,387,117.70/165,394,672.20 = 87,269,434.20/x
  3. Step 3: Cross multiply
    110,387,117.70x = 165,394,672.20 × 87,269,434.20
  4. Step 4: Simplify right side
    110,387,117.70x = 14,433,899,462,588,468
  5. Step 5: Solve for x
    x = 14,433,899,462,588,468/110,387,117.70
  6. Step 6: Final answer
    x = 130,757,100.68

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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.