Home / 120,118,330.64-165,752,982.36-69,891,841.73

Finding the Fourth Proportional to 120,118,330.64, 165,752,982.36 and 69,891,841.73

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Solution

The fourth proportional to 120,118,330.64, 165,752,982.36 and 69,891,841.73 is: 96,444,740.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,118,330.64 : 165,752,982.36 = 69,891,841.73 : x
  2. Step 2: Convert to fraction form
    120,118,330.64/165,752,982.36 = 69,891,841.73/x
  3. Step 3: Cross multiply
    120,118,330.64x = 165,752,982.36 × 69,891,841.73
  4. Step 4: Simplify right side
    120,118,330.64x = 11,584,781,208,551,836
  5. Step 5: Solve for x
    x = 11,584,781,208,551,836/120,118,330.64
  6. Step 6: Final answer
    x = 96,444,740.34

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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.