Home / 66,837,379.68-92,223,388-38,569,439.68

Finding the Fourth Proportional to 66,837,379.68, 92,223,388 and 38,569,439.68

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Solution

The fourth proportional to 66,837,379.68, 92,223,388 and 38,569,439.68 is: 53,218,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837,379.68 : 92,223,388 = 38,569,439.68 : x
  2. Step 2: Convert to fraction form
    66,837,379.68/92,223,388 = 38,569,439.68/x
  3. Step 3: Cross multiply
    66,837,379.68x = 92,223,388 × 38,569,439.68
  4. Step 4: Simplify right side
    66,837,379.68x = 3,557,004,400,551,236
  5. Step 5: Solve for x
    x = 3,557,004,400,551,236/66,837,379.68
  6. Step 6: Final answer
    x = 53,218,788.91

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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.