Home / 91,990,839.39-126,948,855.05-50,174,894.10

Finding the Fourth Proportional to 91,990,839.39, 126,948,855.05 and 50,174,894.10

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Solution

The fourth proportional to 91,990,839.39, 126,948,855.05 and 50,174,894.10 is: 69,242,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,990,839.39 : 126,948,855.05 = 50,174,894.10 : x
  2. Step 2: Convert to fraction form
    91,990,839.39/126,948,855.05 = 50,174,894.10/x
  3. Step 3: Cross multiply
    91,990,839.39x = 126,948,855.05 × 50,174,894.10
  4. Step 4: Simplify right side
    91,990,839.39x = 6,369,645,358,663,339
  5. Step 5: Solve for x
    x = 6,369,645,358,663,339/91,990,839.39
  6. Step 6: Final answer
    x = 69,242,170.21

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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.