Home / 91,808,741.70-137,713,112.55-71,002,826.55

Finding the Fourth Proportional to 91,808,741.70, 137,713,112.55 and 71,002,826.55

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Solution

The fourth proportional to 91,808,741.70, 137,713,112.55 and 71,002,826.55 is: 106,504,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,808,741.70 : 137,713,112.55 = 71,002,826.55 : x
  2. Step 2: Convert to fraction form
    91,808,741.70/137,713,112.55 = 71,002,826.55/x
  3. Step 3: Cross multiply
    91,808,741.70x = 137,713,112.55 × 71,002,826.55
  4. Step 4: Simplify right side
    91,808,741.70x = 9,778,020,244,048,278
  5. Step 5: Solve for x
    x = 9,778,020,244,048,278/91,808,741.70
  6. Step 6: Final answer
    x = 106,504,239.83

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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.