Home / 165,117,301.20-247,675,951.80-74,418,037.20

Finding the Fourth Proportional to 165,117,301.20, 247,675,951.80 and 74,418,037.20

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Solution

The fourth proportional to 165,117,301.20, 247,675,951.80 and 74,418,037.20 is: 111,627,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,117,301.20 : 247,675,951.80 = 74,418,037.20 : x
  2. Step 2: Convert to fraction form
    165,117,301.20/247,675,951.80 = 74,418,037.20/x
  3. Step 3: Cross multiply
    165,117,301.20x = 247,675,951.80 × 74,418,037.20
  4. Step 4: Simplify right side
    165,117,301.20x = 18,431,558,194,597,808
  5. Step 5: Solve for x
    x = 18,431,558,194,597,808/165,117,301.20
  6. Step 6: Final answer
    x = 111,627,055.80

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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.