Home / 126,024,312.80-189,036,469.20-106,540,767.20

Finding the Fourth Proportional to 126,024,312.80, 189,036,469.20 and 106,540,767.20

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Solution

The fourth proportional to 126,024,312.80, 189,036,469.20 and 106,540,767.20 is: 159,811,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024,312.80 : 189,036,469.20 = 106,540,767.20 : x
  2. Step 2: Convert to fraction form
    126,024,312.80/189,036,469.20 = 106,540,767.20/x
  3. Step 3: Cross multiply
    126,024,312.80x = 189,036,469.20 × 106,540,767.20
  4. Step 4: Simplify right side
    126,024,312.80x = 20,140,090,457,347,168
  5. Step 5: Solve for x
    x = 20,140,090,457,347,168/126,024,312.80
  6. Step 6: Final answer
    x = 159,811,150.80

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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.