Home / 50,688,010.70-76,032,016.05-18,787,748.30

Finding the Fourth Proportional to 50,688,010.70, 76,032,016.05 and 18,787,748.30

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Solution

The fourth proportional to 50,688,010.70, 76,032,016.05 and 18,787,748.30 is: 28,181,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,010.70 : 76,032,016.05 = 18,787,748.30 : x
  2. Step 2: Convert to fraction form
    50,688,010.70/76,032,016.05 = 18,787,748.30/x
  3. Step 3: Cross multiply
    50,688,010.70x = 76,032,016.05 × 18,787,748.30
  4. Step 4: Simplify right side
    50,688,010.70x = 1,428,470,380,288,960.25
  5. Step 5: Solve for x
    x = 1,428,470,380,288,960.25/50,688,010.70
  6. Step 6: Final answer
    x = 28,181,622.45

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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.