Home / 126,029,216.70-189,043,825.05-100,520,048.70

Finding the Fourth Proportional to 126,029,216.70, 189,043,825.05 and 100,520,048.70

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Solution

The fourth proportional to 126,029,216.70, 189,043,825.05 and 100,520,048.70 is: 150,780,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,216.70 : 189,043,825.05 = 100,520,048.70 : x
  2. Step 2: Convert to fraction form
    126,029,216.70/189,043,825.05 = 100,520,048.70/x
  3. Step 3: Cross multiply
    126,029,216.70x = 189,043,825.05 × 100,520,048.70
  4. Step 4: Simplify right side
    126,029,216.70x = 19,002,694,500,460,280
  5. Step 5: Solve for x
    x = 19,002,694,500,460,280/126,029,216.70
  6. Step 6: Final answer
    x = 150,780,073.05

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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.