Home / 124,765,358.20-187,148,037.30-105,057,863.80

Finding the Fourth Proportional to 124,765,358.20, 187,148,037.30 and 105,057,863.80

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Solution

The fourth proportional to 124,765,358.20, 187,148,037.30 and 105,057,863.80 is: 157,586,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,358.20 : 187,148,037.30 = 105,057,863.80 : x
  2. Step 2: Convert to fraction form
    124,765,358.20/187,148,037.30 = 105,057,863.80/x
  3. Step 3: Cross multiply
    124,765,358.20x = 187,148,037.30 × 105,057,863.80
  4. Step 4: Simplify right side
    124,765,358.20x = 19,661,373,013,100,720
  5. Step 5: Solve for x
    x = 19,661,373,013,100,720/124,765,358.20
  6. Step 6: Final answer
    x = 157,586,795.70

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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.