Home / 66,564,823.71-91,857,745.87-37,196,397.55

Finding the Fourth Proportional to 66,564,823.71, 91,857,745.87 and 37,196,397.55

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Solution

The fourth proportional to 66,564,823.71, 91,857,745.87 and 37,196,397.55 is: 51,330,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,564,823.71 : 91,857,745.87 = 37,196,397.55 : x
  2. Step 2: Convert to fraction form
    66,564,823.71/91,857,745.87 = 37,196,397.55/x
  3. Step 3: Cross multiply
    66,564,823.71x = 91,857,745.87 × 37,196,397.55
  4. Step 4: Simplify right side
    66,564,823.71x = 3,416,777,233,427,390.50
  5. Step 5: Solve for x
    x = 3,416,777,233,427,390.50/66,564,823.71
  6. Step 6: Final answer
    x = 51,330,072.60

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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.