Home / 126,329,117.40-189,493,676.10-30,591,005.40

Finding the Fourth Proportional to 126,329,117.40, 189,493,676.10 and 30,591,005.40

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Solution

The fourth proportional to 126,329,117.40, 189,493,676.10 and 30,591,005.40 is: 45,886,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,329,117.40 : 189,493,676.10 = 30,591,005.40 : x
  2. Step 2: Convert to fraction form
    126,329,117.40/189,493,676.10 = 30,591,005.40/x
  3. Step 3: Cross multiply
    126,329,117.40x = 189,493,676.10 × 30,591,005.40
  4. Step 4: Simplify right side
    126,329,117.40x = 5,796,802,068,840,950
  5. Step 5: Solve for x
    x = 5,796,802,068,840,950/126,329,117.40
  6. Step 6: Final answer
    x = 45,886,508.10

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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.