Home / 126,382,858.60-189,574,287.90-88,087,613.80

Finding the Fourth Proportional to 126,382,858.60, 189,574,287.90 and 88,087,613.80

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Solution

The fourth proportional to 126,382,858.60, 189,574,287.90 and 88,087,613.80 is: 132,131,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382,858.60 : 189,574,287.90 = 88,087,613.80 : x
  2. Step 2: Convert to fraction form
    126,382,858.60/189,574,287.90 = 88,087,613.80/x
  3. Step 3: Cross multiply
    126,382,858.60x = 189,574,287.90 × 88,087,613.80
  4. Step 4: Simplify right side
    126,382,858.60x = 16,699,146,658,945,212
  5. Step 5: Solve for x
    x = 16,699,146,658,945,212/126,382,858.60
  6. Step 6: Final answer
    x = 132,131,420.70

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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.