Home / 126,382,405.60-189,573,608.40-88,087,160.80

Finding the Fourth Proportional to 126,382,405.60, 189,573,608.40 and 88,087,160.80

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Solution

The fourth proportional to 126,382,405.60, 189,573,608.40 and 88,087,160.80 is: 132,130,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,382,405.60 : 189,573,608.40 = 88,087,160.80 : x
  2. Step 2: Convert to fraction form
    126,382,405.60/189,573,608.40 = 88,087,160.80/x
  3. Step 3: Cross multiply
    126,382,405.60x = 189,573,608.40 × 88,087,160.80
  4. Step 4: Simplify right side
    126,382,405.60x = 16,699,000,926,567,030
  5. Step 5: Solve for x
    x = 16,699,000,926,567,030/126,382,405.60
  6. Step 6: Final answer
    x = 132,130,741.20

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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.