Home / 126,182,321.40-189,273,482.10-54,378,737.40

Finding the Fourth Proportional to 126,182,321.40, 189,273,482.10 and 54,378,737.40

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Solution

The fourth proportional to 126,182,321.40, 189,273,482.10 and 54,378,737.40 is: 81,568,106.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,182,321.40 : 189,273,482.10 = 54,378,737.40 : x
  2. Step 2: Convert to fraction form
    126,182,321.40/189,273,482.10 = 54,378,737.40/x
  3. Step 3: Cross multiply
    126,182,321.40x = 189,273,482.10 × 54,378,737.40
  4. Step 4: Simplify right side
    126,182,321.40x = 10,292,452,979,899,500
  5. Step 5: Solve for x
    x = 10,292,452,979,899,500/126,182,321.40
  6. Step 6: Final answer
    x = 81,568,106.10

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1.5x scale

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.