Home / 60,302,379.75-90,409,470.78-19,338,501.27

Finding the Fourth Proportional to 60,302,379.75, 90,409,470.78 and 19,338,501.27

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Solution

The fourth proportional to 60,302,379.75, 90,409,470.78 and 19,338,501.27 is: 28,993,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,302,379.75 : 90,409,470.78 = 19,338,501.27 : x
  2. Step 2: Convert to fraction form
    60,302,379.75/90,409,470.78 = 19,338,501.27/x
  3. Step 3: Cross multiply
    60,302,379.75x = 90,409,470.78 × 19,338,501.27
  4. Step 4: Simplify right side
    60,302,379.75x = 1,748,383,665,499,057.75
  5. Step 5: Solve for x
    x = 1,748,383,665,499,057.75/60,302,379.75
  6. Step 6: Final answer
    x = 28,993,609.75

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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.