Home / 50,305,603.20-75,316,687.20-45,203,769.60

Finding the Fourth Proportional to 50,305,603.20, 75,316,687.20 and 45,203,769.60

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Solution

The fourth proportional to 50,305,603.20, 75,316,687.20 and 45,203,769.60 is: 67,678,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,305,603.20 : 75,316,687.20 = 45,203,769.60 : x
  2. Step 2: Convert to fraction form
    50,305,603.20/75,316,687.20 = 45,203,769.60/x
  3. Step 3: Cross multiply
    50,305,603.20x = 75,316,687.20 × 45,203,769.60
  4. Step 4: Simplify right side
    50,305,603.20x = 3,404,598,175,224,069.50
  5. Step 5: Solve for x
    x = 3,404,598,175,224,069.50/50,305,603.20
  6. Step 6: Final answer
    x = 67,678,309.35

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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.