Home / 291,336,983.29-402,040,281.22-159,175,135.54

Finding the Fourth Proportional to 291,336,983.29, 402,040,281.22 and 159,175,135.54

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Solution

The fourth proportional to 291,336,983.29, 402,040,281.22 and 159,175,135.54 is: 219,659,088.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,336,983.29 : 402,040,281.22 = 159,175,135.54 : x
  2. Step 2: Convert to fraction form
    291,336,983.29/402,040,281.22 = 159,175,135.54/x
  3. Step 3: Cross multiply
    291,336,983.29x = 402,040,281.22 × 159,175,135.54
  4. Step 4: Simplify right side
    291,336,983.29x = 63,994,816,255,733,216
  5. Step 5: Solve for x
    x = 63,994,816,255,733,216/291,336,983.29
  6. Step 6: Final answer
    x = 219,659,088.71

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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.