Home / 126,326,626.46-189,508,015.48-38,895,541.08

Finding the Fourth Proportional to 126,326,626.46, 189,508,015.48 and 38,895,541.08

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Solution

The fourth proportional to 126,326,626.46, 189,508,015.48 and 38,895,541.08 is: 58,348,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326,626.46 : 189,508,015.48 = 38,895,541.08 : x
  2. Step 2: Convert to fraction form
    126,326,626.46/189,508,015.48 = 38,895,541.08/x
  3. Step 3: Cross multiply
    126,326,626.46x = 189,508,015.48 × 38,895,541.08
  4. Step 4: Simplify right side
    126,326,626.46x = 7,371,016,801,091,615
  5. Step 5: Solve for x
    x = 7,371,016,801,091,615/126,326,626.46
  6. Step 6: Final answer
    x = 58,348,877.09

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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.