Home / 129,033,661.80-193,550,492.70-88,158,858.60

Finding the Fourth Proportional to 129,033,661.80, 193,550,492.70 and 88,158,858.60

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Solution

The fourth proportional to 129,033,661.80, 193,550,492.70 and 88,158,858.60 is: 132,238,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,661.80 : 193,550,492.70 = 88,158,858.60 : x
  2. Step 2: Convert to fraction form
    129,033,661.80/193,550,492.70 = 88,158,858.60/x
  3. Step 3: Cross multiply
    129,033,661.80x = 193,550,492.70 × 88,158,858.60
  4. Step 4: Simplify right side
    129,033,661.80x = 17,063,190,517,899,630
  5. Step 5: Solve for x
    x = 17,063,190,517,899,630/129,033,661.80
  6. Step 6: Final answer
    x = 132,238,287.90

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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.