Home / 66,470,131.48-91,777,370.07-42,962,576.76

Finding the Fourth Proportional to 66,470,131.48, 91,777,370.07 and 42,962,576.76

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Solution

The fourth proportional to 66,470,131.48, 91,777,370.07 and 42,962,576.76 is: 59,319,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,470,131.48 : 91,777,370.07 = 42,962,576.76 : x
  2. Step 2: Convert to fraction form
    66,470,131.48/91,777,370.07 = 42,962,576.76/x
  3. Step 3: Cross multiply
    66,470,131.48x = 91,777,370.07 × 42,962,576.76
  4. Step 4: Simplify right side
    66,470,131.48x = 3,942,992,306,004,414.50
  5. Step 5: Solve for x
    x = 3,942,992,306,004,414.50/66,470,131.48
  6. Step 6: Final answer
    x = 59,319,760.89

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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.