Home / 90,385,936.08-124,733,958.47-50,702,263.55

Finding the Fourth Proportional to 90,385,936.08, 124,733,958.47 and 50,702,263.55

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Solution

The fourth proportional to 90,385,936.08, 124,733,958.47 and 50,702,263.55 is: 69,969,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,385,936.08 : 124,733,958.47 = 50,702,263.55 : x
  2. Step 2: Convert to fraction form
    90,385,936.08/124,733,958.47 = 50,702,263.55/x
  3. Step 3: Cross multiply
    90,385,936.08x = 124,733,958.47 × 50,702,263.55
  4. Step 4: Simplify right side
    90,385,936.08x = 6,324,294,035,103,514
  5. Step 5: Solve for x
    x = 6,324,294,035,103,514/90,385,936.08
  6. Step 6: Final answer
    x = 69,969,890.33

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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.