Home / 431,793,055.74-647,691,481.12-136,689,625.27

Finding the Fourth Proportional to 431,793,055.74, 647,691,481.12 and 136,689,625.27

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Solution

The fourth proportional to 431,793,055.74, 647,691,481.12 and 136,689,625.27 is: 205,035,038.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,793,055.74 : 647,691,481.12 = 136,689,625.27 : x
  2. Step 2: Convert to fraction form
    431,793,055.74/647,691,481.12 = 136,689,625.27/x
  3. Step 3: Cross multiply
    431,793,055.74x = 647,691,481.12 × 136,689,625.27
  4. Step 4: Simplify right side
    431,793,055.74x = 88,532,705,844,864,080
  5. Step 5: Solve for x
    x = 88,532,705,844,864,080/431,793,055.74
  6. Step 6: Final answer
    x = 205,035,038.59

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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.