Home / 119,236,472.40-178,854,708.60-110,627,128.20

Finding the Fourth Proportional to 119,236,472.40, 178,854,708.60 and 110,627,128.20

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Solution

The fourth proportional to 119,236,472.40, 178,854,708.60 and 110,627,128.20 is: 165,940,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,236,472.40 : 178,854,708.60 = 110,627,128.20 : x
  2. Step 2: Convert to fraction form
    119,236,472.40/178,854,708.60 = 110,627,128.20/x
  3. Step 3: Cross multiply
    119,236,472.40x = 178,854,708.60 × 110,627,128.20
  4. Step 4: Simplify right side
    119,236,472.40x = 19,786,182,777,465,844
  5. Step 5: Solve for x
    x = 19,786,182,777,465,844/119,236,472.40
  6. Step 6: Final answer
    x = 165,940,692.30

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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.