Home / 303,911,780-455,755,999.20-104,434,494.20

Finding the Fourth Proportional to 303,911,780, 455,755,999.20 and 104,434,494.20

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Solution

The fourth proportional to 303,911,780, 455,755,999.20 and 104,434,494.20 is: 156,613,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,911,780 : 455,755,999.20 = 104,434,494.20 : x
  2. Step 2: Convert to fraction form
    303,911,780/455,755,999.20 = 104,434,494.20/x
  3. Step 3: Cross multiply
    303,911,780x = 455,755,999.20 × 104,434,494.20
  4. Step 4: Simplify right side
    303,911,780x = 47,596,647,255,067,608
  5. Step 5: Solve for x
    x = 47,596,647,255,067,608/303,911,780
  6. Step 6: Final answer
    x = 156,613,367.39

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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.