Home / 126,373,676.40-189,560,514.60-112,024,769.40

Finding the Fourth Proportional to 126,373,676.40, 189,560,514.60 and 112,024,769.40

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Solution

The fourth proportional to 126,373,676.40, 189,560,514.60 and 112,024,769.40 is: 168,037,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,373,676.40 : 189,560,514.60 = 112,024,769.40 : x
  2. Step 2: Convert to fraction form
    126,373,676.40/189,560,514.60 = 112,024,769.40/x
  3. Step 3: Cross multiply
    126,373,676.40x = 189,560,514.60 × 112,024,769.40
  4. Step 4: Simplify right side
    126,373,676.40x = 21,235,472,935,410,332
  5. Step 5: Solve for x
    x = 21,235,472,935,410,332/126,373,676.40
  6. Step 6: Final answer
    x = 168,037,154.10

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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.