Home / 179,733,992,503.20-247,913,480,512.96-115,585,818,763.68

Finding the Fourth Proportional to 179,733,992,503.20, 247,913,480,512.96 and 115,585,818,763.68

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Solution

The fourth proportional to 179,733,992,503.20, 247,913,480,512.96 and 115,585,818,763.68 is: 159,431,625,751.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,733,992,503.20 : 247,913,480,512.96 = 115,585,818,763.68 : x
  2. Step 2: Convert to fraction form
    179,733,992,503.20/247,913,480,512.96 = 115,585,818,763.68/x
  3. Step 3: Cross multiply
    179,733,992,503.20x = 247,913,480,512.96 × 115,585,818,763.68
  4. Step 4: Simplify right side
    179,733,992,503.20x = 28,655,282,627,644,105,949,184
  5. Step 5: Solve for x
    x = 28,655,282,627,644,105,949,184/179,733,992,503.20
  6. Step 6: Final answer
    x = 159,431,625,751.78

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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.