Home / 187,090,632.39-280,632,861.11-55,933,214.91

Finding the Fourth Proportional to 187,090,632.39, 280,632,861.11 and 55,933,214.91

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Solution

The fourth proportional to 187,090,632.39, 280,632,861.11 and 55,933,214.91 is: 83,898,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,090,632.39 : 280,632,861.11 = 55,933,214.91 : x
  2. Step 2: Convert to fraction form
    187,090,632.39/280,632,861.11 = 55,933,214.91/x
  3. Step 3: Cross multiply
    187,090,632.39x = 280,632,861.11 × 55,933,214.91
  4. Step 4: Simplify right side
    187,090,632.39x = 15,696,698,131,413,644
  5. Step 5: Solve for x
    x = 15,696,698,131,413,644/187,090,632.39
  6. Step 6: Final answer
    x = 83,898,899.33

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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.