Home / 71,339,155.59-98,454,106.22-40,404,827.91

Finding the Fourth Proportional to 71,339,155.59, 98,454,106.22 and 40,404,827.91

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Solution

The fourth proportional to 71,339,155.59, 98,454,106.22 and 40,404,827.91 is: 55,762,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339,155.59 : 98,454,106.22 = 40,404,827.91 : x
  2. Step 2: Convert to fraction form
    71,339,155.59/98,454,106.22 = 40,404,827.91/x
  3. Step 3: Cross multiply
    71,339,155.59x = 98,454,106.22 × 40,404,827.91
  4. Step 4: Simplify right side
    71,339,155.59x = 3,978,021,218,649,936.50
  5. Step 5: Solve for x
    x = 3,978,021,218,649,936.50/71,339,155.59
  6. Step 6: Final answer
    x = 55,762,101.27

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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.