Home / 66,837,380.68-92,223,389.38-38,569,440.68

Finding the Fourth Proportional to 66,837,380.68, 92,223,389.38 and 38,569,440.68

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Solution

The fourth proportional to 66,837,380.68, 92,223,389.38 and 38,569,440.68 is: 53,218,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,837,380.68 : 92,223,389.38 = 38,569,440.68 : x
  2. Step 2: Convert to fraction form
    66,837,380.68/92,223,389.38 = 38,569,440.68/x
  3. Step 3: Cross multiply
    66,837,380.68x = 92,223,389.38 × 38,569,440.68
  4. Step 4: Simplify right side
    66,837,380.68x = 3,557,004,546,000,452
  5. Step 5: Solve for x
    x = 3,557,004,546,000,452/66,837,380.68
  6. Step 6: Final answer
    x = 53,218,790.29

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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.