Home / 91,200,141.15-125,855,623.56-49,383,322.12

Finding the Fourth Proportional to 91,200,141.15, 125,855,623.56 and 49,383,322.12

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Solution

The fourth proportional to 91,200,141.15, 125,855,623.56 and 49,383,322.12 is: 68,148,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,200,141.15 : 125,855,623.56 = 49,383,322.12 : x
  2. Step 2: Convert to fraction form
    91,200,141.15/125,855,623.56 = 49,383,322.12/x
  3. Step 3: Cross multiply
    91,200,141.15x = 125,855,623.56 × 49,383,322.12
  4. Step 4: Simplify right side
    91,200,141.15x = 6,215,168,798,876,941
  5. Step 5: Solve for x
    x = 6,215,168,798,876,941/91,200,141.15
  6. Step 6: Final answer
    x = 68,148,675.22

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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.