Home / 91,677,211.79-126,516,945.72-50,425,186.73

Finding the Fourth Proportional to 91,677,211.79, 126,516,945.72 and 50,425,186.73

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Solution

The fourth proportional to 91,677,211.79, 126,516,945.72 and 50,425,186.73 is: 69,588,074.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,677,211.79 : 126,516,945.72 = 50,425,186.73 : x
  2. Step 2: Convert to fraction form
    91,677,211.79/126,516,945.72 = 50,425,186.73/x
  3. Step 3: Cross multiply
    91,677,211.79x = 126,516,945.72 × 50,425,186.73
  4. Step 4: Simplify right side
    91,677,211.79x = 6,379,640,612,440,274
  5. Step 5: Solve for x
    x = 6,379,640,612,440,274/91,677,211.79
  6. Step 6: Final answer
    x = 69,588,074.16

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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.