Home / 219,888,447.52-329,820,540.72-90,463,303.84

Finding the Fourth Proportional to 219,888,447.52, 329,820,540.72 and 90,463,303.84

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Solution

The fourth proportional to 219,888,447.52, 329,820,540.72 and 90,463,303.84 is: 135,689,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,888,447.52 : 329,820,540.72 = 90,463,303.84 : x
  2. Step 2: Convert to fraction form
    219,888,447.52/329,820,540.72 = 90,463,303.84/x
  3. Step 3: Cross multiply
    219,888,447.52x = 329,820,540.72 × 90,463,303.84
  4. Step 4: Simplify right side
    219,888,447.52x = 29,836,655,787,826,456
  5. Step 5: Solve for x
    x = 29,836,655,787,826,456/219,888,447.52
  6. Step 6: Final answer
    x = 135,689,965.18

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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.