Home / 91,517,578.50-126,293,827.02-49,701,351.18

Finding the Fourth Proportional to 91,517,578.50, 126,293,827.02 and 49,701,351.18

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Solution

The fourth proportional to 91,517,578.50, 126,293,827.02 and 49,701,351.18 is: 68,587,630.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517,578.50 : 126,293,827.02 = 49,701,351.18 : x
  2. Step 2: Convert to fraction form
    91,517,578.50/126,293,827.02 = 49,701,351.18/x
  3. Step 3: Cross multiply
    91,517,578.50x = 126,293,827.02 × 49,701,351.18
  4. Step 4: Simplify right side
    91,517,578.50x = 6,276,973,848,587,193
  5. Step 5: Solve for x
    x = 6,276,973,848,587,193/91,517,578.50
  6. Step 6: Final answer
    x = 68,587,630.39

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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.