Home / 112,958,409.60-169,437,614.40-108,175,440.60

Finding the Fourth Proportional to 112,958,409.60, 169,437,614.40 and 108,175,440.60

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Solution

The fourth proportional to 112,958,409.60, 169,437,614.40 and 108,175,440.60 is: 162,263,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,958,409.60 : 169,437,614.40 = 108,175,440.60 : x
  2. Step 2: Convert to fraction form
    112,958,409.60/169,437,614.40 = 108,175,440.60/x
  3. Step 3: Cross multiply
    112,958,409.60x = 169,437,614.40 × 108,175,440.60
  4. Step 4: Simplify right side
    112,958,409.60x = 18,328,988,591,932,904
  5. Step 5: Solve for x
    x = 18,328,988,591,932,904/112,958,409.60
  6. Step 6: Final answer
    x = 162,263,160.90

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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.