Home / 155,416,219.38-214,473,272.31-84,851,827.38

Finding the Fourth Proportional to 155,416,219.38, 214,473,272.31 and 84,851,827.38

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Solution

The fourth proportional to 155,416,219.38, 214,473,272.31 and 84,851,827.38 is: 117,094,915.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,416,219.38 : 214,473,272.31 = 84,851,827.38 : x
  2. Step 2: Convert to fraction form
    155,416,219.38/214,473,272.31 = 84,851,827.38/x
  3. Step 3: Cross multiply
    155,416,219.38x = 214,473,272.31 × 84,851,827.38
  4. Step 4: Simplify right side
    155,416,219.38x = 18,198,449,079,671,852
  5. Step 5: Solve for x
    x = 18,198,449,079,671,852/155,416,219.38
  6. Step 6: Final answer
    x = 117,094,915.53

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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.