Home / 91,137,089.52-125,770,365.36-49,883,096.16

Finding the Fourth Proportional to 91,137,089.52, 125,770,365.36 and 49,883,096.16

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Solution

The fourth proportional to 91,137,089.52, 125,770,365.36 and 49,883,096.16 is: 68,839,319.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,137,089.52 : 125,770,365.36 = 49,883,096.16 : x
  2. Step 2: Convert to fraction form
    91,137,089.52/125,770,365.36 = 49,883,096.16/x
  3. Step 3: Cross multiply
    91,137,089.52x = 125,770,365.36 × 49,883,096.16
  4. Step 4: Simplify right side
    91,137,089.52x = 6,273,815,229,331,213
  5. Step 5: Solve for x
    x = 6,273,815,229,331,213/91,137,089.52
  6. Step 6: Final answer
    x = 68,839,319.56

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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.