Home / 67,087,501.20-100,631,251.80-50,963,187.60

Finding the Fourth Proportional to 67,087,501.20, 100,631,251.80 and 50,963,187.60

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Solution

The fourth proportional to 67,087,501.20, 100,631,251.80 and 50,963,187.60 is: 76,444,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,087,501.20 : 100,631,251.80 = 50,963,187.60 : x
  2. Step 2: Convert to fraction form
    67,087,501.20/100,631,251.80 = 50,963,187.60/x
  3. Step 3: Cross multiply
    67,087,501.20x = 100,631,251.80 × 50,963,187.60
  4. Step 4: Simplify right side
    67,087,501.20x = 5,128,489,363,906,238
  5. Step 5: Solve for x
    x = 5,128,489,363,906,238/67,087,501.20
  6. Step 6: Final answer
    x = 76,444,781.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.