Home / 296,043,238.68-408,544,506.10-162,078,919.96

Finding the Fourth Proportional to 296,043,238.68, 408,544,506.10 and 162,078,919.96

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Solution

The fourth proportional to 296,043,238.68, 408,544,506.10 and 162,078,919.96 is: 223,671,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,043,238.68 : 408,544,506.10 = 162,078,919.96 : x
  2. Step 2: Convert to fraction form
    296,043,238.68/408,544,506.10 = 162,078,919.96/x
  3. Step 3: Cross multiply
    296,043,238.68x = 408,544,506.10 × 162,078,919.96
  4. Step 4: Simplify right side
    296,043,238.68x = 66,216,452,304,279,640
  5. Step 5: Solve for x
    x = 66,216,452,304,279,640/296,043,238.68
  6. Step 6: Final answer
    x = 223,671,557.57

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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.