Home / 66,388,934-91,618,348.92-37,019,979.92

Finding the Fourth Proportional to 66,388,934, 91,618,348.92 and 37,019,979.92

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Solution

The fourth proportional to 66,388,934, 91,618,348.92 and 37,019,979.92 is: 51,088,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,388,934 : 91,618,348.92 = 37,019,979.92 : x
  2. Step 2: Convert to fraction form
    66,388,934/91,618,348.92 = 37,019,979.92/x
  3. Step 3: Cross multiply
    66,388,934x = 91,618,348.92 × 37,019,979.92
  4. Step 4: Simplify right side
    66,388,934x = 3,391,709,437,321,954
  5. Step 5: Solve for x
    x = 3,391,709,437,321,954/66,388,934
  6. Step 6: Final answer
    x = 51,088,475.64

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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.