Home / 91,392,865.92-126,122,145.60-51,699,548.64

Finding the Fourth Proportional to 91,392,865.92, 126,122,145.60 and 51,699,548.64

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Solution

The fourth proportional to 91,392,865.92, 126,122,145.60 and 51,699,548.64 is: 71,345,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,392,865.92 : 126,122,145.60 = 51,699,548.64 : x
  2. Step 2: Convert to fraction form
    91,392,865.92/126,122,145.60 = 51,699,548.64/x
  3. Step 3: Cross multiply
    91,392,865.92x = 126,122,145.60 × 51,699,548.64
  4. Step 4: Simplify right side
    91,392,865.92x = 6,520,458,001,028,362
  5. Step 5: Solve for x
    x = 6,520,458,001,028,362/91,392,865.92
  6. Step 6: Final answer
    x = 71,345,371.82

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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.