Home / 66,072,866.00-91,183,145.45-45,208,660.55

Finding the Fourth Proportional to 66,072,866.00, 91,183,145.45 and 45,208,660.55

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Solution

The fourth proportional to 66,072,866.00, 91,183,145.45 and 45,208,660.55 is: 62,389,723.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,072,866.00 : 91,183,145.45 = 45,208,660.55 : x
  2. Step 2: Convert to fraction form
    66,072,866.00/91,183,145.45 = 45,208,660.55/x
  3. Step 3: Cross multiply
    66,072,866.00x = 91,183,145.45 × 45,208,660.55
  4. Step 4: Simplify right side
    66,072,866.00x = 4,122,267,869,848,368
  5. Step 5: Solve for x
    x = 4,122,267,869,848,368/66,072,866.00
  6. Step 6: Final answer
    x = 62,389,723.95

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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.