Home / 126,029,165.20-189,043,747.80-49,326,701.20

Finding the Fourth Proportional to 126,029,165.20, 189,043,747.80 and 49,326,701.20

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Solution

The fourth proportional to 126,029,165.20, 189,043,747.80 and 49,326,701.20 is: 73,990,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,165.20 : 189,043,747.80 = 49,326,701.20 : x
  2. Step 2: Convert to fraction form
    126,029,165.20/189,043,747.80 = 49,326,701.20/x
  3. Step 3: Cross multiply
    126,029,165.20x = 189,043,747.80 × 49,326,701.20
  4. Step 4: Simplify right side
    126,029,165.20x = 9,324,904,461,458,758
  5. Step 5: Solve for x
    x = 9,324,904,461,458,758/126,029,165.20
  6. Step 6: Final answer
    x = 73,990,051.80

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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.