Home / 50,021,189.91-69,036,491.77-28,823,845.67

Finding the Fourth Proportional to 50,021,189.91, 69,036,491.77 and 28,823,845.67

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Solution

The fourth proportional to 50,021,189.91, 69,036,491.77 and 28,823,845.67 is: 39,781,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021,189.91 : 69,036,491.77 = 28,823,845.67 : x
  2. Step 2: Convert to fraction form
    50,021,189.91/69,036,491.77 = 28,823,845.67/x
  3. Step 3: Cross multiply
    50,021,189.91x = 69,036,491.77 × 28,823,845.67
  4. Step 4: Simplify right side
    50,021,189.91x = 1,989,897,184,218,349.75
  5. Step 5: Solve for x
    x = 1,989,897,184,218,349.75/50,021,189.91
  6. Step 6: Final answer
    x = 39,781,084.53

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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.