Home / 112,291,212.60-168,436,818.90-31,512,180.60

Finding the Fourth Proportional to 112,291,212.60, 168,436,818.90 and 31,512,180.60

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Solution

The fourth proportional to 112,291,212.60, 168,436,818.90 and 31,512,180.60 is: 47,268,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291,212.60 : 168,436,818.90 = 31,512,180.60 : x
  2. Step 2: Convert to fraction form
    112,291,212.60/168,436,818.90 = 31,512,180.60/x
  3. Step 3: Cross multiply
    112,291,212.60x = 168,436,818.90 × 31,512,180.60
  4. Step 4: Simplify right side
    112,291,212.60x = 5,307,811,456,866,294
  5. Step 5: Solve for x
    x = 5,307,811,456,866,294/112,291,212.60
  6. Step 6: Final answer
    x = 47,268,270.90

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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.