Home / 91,920,210-126,846,072.79-50,103,355.06

Finding the Fourth Proportional to 91,920,210, 126,846,072.79 and 50,103,355.06

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Solution

The fourth proportional to 91,920,210, 126,846,072.79 and 50,103,355.06 is: 69,140,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,920,210 : 126,846,072.79 = 50,103,355.06 : x
  2. Step 2: Convert to fraction form
    91,920,210/126,846,072.79 = 50,103,355.06/x
  3. Step 3: Cross multiply
    91,920,210x = 126,846,072.79 × 50,103,355.06
  4. Step 4: Simplify right side
    91,920,210x = 6,355,413,822,963,975
  5. Step 5: Solve for x
    x = 6,355,413,822,963,975/91,920,210
  6. Step 6: Final answer
    x = 69,140,549.43

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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.