Home / 50,688,006.20-76,032,009.30-18,787,743.80

Finding the Fourth Proportional to 50,688,006.20, 76,032,009.30 and 18,787,743.80

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Solution

The fourth proportional to 50,688,006.20, 76,032,009.30 and 18,787,743.80 is: 28,181,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,006.20 : 76,032,009.30 = 18,787,743.80 : x
  2. Step 2: Convert to fraction form
    50,688,006.20/76,032,009.30 = 18,787,743.80/x
  3. Step 3: Cross multiply
    50,688,006.20x = 76,032,009.30 × 18,787,743.80
  4. Step 4: Simplify right side
    50,688,006.20x = 1,428,469,911,327,617.25
  5. Step 5: Solve for x
    x = 1,428,469,911,327,617.25/50,688,006.20
  6. Step 6: Final answer
    x = 28,181,615.70

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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.