Home / 91,631,016.18-126,447,548.85-50,377,608.18

Finding the Fourth Proportional to 91,631,016.18, 126,447,548.85 and 50,377,608.18

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Solution

The fourth proportional to 91,631,016.18, 126,447,548.85 and 50,377,608.18 is: 69,519,310.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,016.18 : 126,447,548.85 = 50,377,608.18 : x
  2. Step 2: Convert to fraction form
    91,631,016.18/126,447,548.85 = 50,377,608.18/x
  3. Step 3: Cross multiply
    91,631,016.18x = 126,447,548.85 × 50,377,608.18
  4. Step 4: Simplify right side
    91,631,016.18x = 6,370,125,071,286,709
  5. Step 5: Solve for x
    x = 6,370,125,071,286,709/91,631,016.18
  6. Step 6: Final answer
    x = 69,519,310.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.