Home / 242,488,921.38-334,634,845.74-130,979,761.62

Finding the Fourth Proportional to 242,488,921.38, 334,634,845.74 and 130,979,761.62

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Solution

The fourth proportional to 242,488,921.38, 334,634,845.74 and 130,979,761.62 is: 180,752,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,921.38 : 334,634,845.74 = 130,979,761.62 : x
  2. Step 2: Convert to fraction form
    242,488,921.38/334,634,845.74 = 130,979,761.62/x
  3. Step 3: Cross multiply
    242,488,921.38x = 334,634,845.74 × 130,979,761.62
  4. Step 4: Simplify right side
    242,488,921.38x = 43,830,392,324,770,672
  5. Step 5: Solve for x
    x = 43,830,392,324,770,672/242,488,921.38
  6. Step 6: Final answer
    x = 180,752,143.54

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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.