Home / 71,339,200.16-98,454,168-40,404,872.48

Finding the Fourth Proportional to 71,339,200.16, 98,454,168 and 40,404,872.48

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Solution

The fourth proportional to 71,339,200.16, 98,454,168 and 40,404,872.48 is: 55,762,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339,200.16 : 98,454,168 = 40,404,872.48 : x
  2. Step 2: Convert to fraction form
    71,339,200.16/98,454,168 = 40,404,872.48/x
  3. Step 3: Cross multiply
    71,339,200.16x = 98,454,168 × 40,404,872.48
  4. Step 4: Simplify right side
    71,339,200.16x = 3,978,028,103,164,496.50
  5. Step 5: Solve for x
    x = 3,978,028,103,164,496.50/71,339,200.16
  6. Step 6: Final answer
    x = 55,762,162.94

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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.