Home / 126,016,056.80-189,024,085.20-107,204,357.60

Finding the Fourth Proportional to 126,016,056.80, 189,024,085.20 and 107,204,357.60

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Solution

The fourth proportional to 126,016,056.80, 189,024,085.20 and 107,204,357.60 is: 160,806,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,056.80 : 189,024,085.20 = 107,204,357.60 : x
  2. Step 2: Convert to fraction form
    126,016,056.80/189,024,085.20 = 107,204,357.60/x
  3. Step 3: Cross multiply
    126,016,056.80x = 189,024,085.20 × 107,204,357.60
  4. Step 4: Simplify right side
    126,016,056.80x = 20,264,205,624,793,664
  5. Step 5: Solve for x
    x = 20,264,205,624,793,664/126,016,056.80
  6. Step 6: Final answer
    x = 160,806,536.40

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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.