Home / 311,068,671.18-429,278,355.66-171,836,514.06

Finding the Fourth Proportional to 311,068,671.18, 429,278,355.66 and 171,836,514.06

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Solution

The fourth proportional to 311,068,671.18, 429,278,355.66 and 171,836,514.06 is: 237,136,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,068,671.18 : 429,278,355.66 = 171,836,514.06 : x
  2. Step 2: Convert to fraction form
    311,068,671.18/429,278,355.66 = 171,836,514.06/x
  3. Step 3: Cross multiply
    311,068,671.18x = 429,278,355.66 × 171,836,514.06
  4. Step 4: Simplify right side
    311,068,671.18x = 73,765,696,198,023,280
  5. Step 5: Solve for x
    x = 73,765,696,198,023,280/311,068,671.18
  6. Step 6: Final answer
    x = 237,136,372.23

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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.