Home / 73,292,099.41-109,938,086.53-18,704,680.56

Finding the Fourth Proportional to 73,292,099.41, 109,938,086.53 and 18,704,680.56

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Solution

The fourth proportional to 73,292,099.41, 109,938,086.53 and 18,704,680.56 is: 28,057,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292,099.41 : 109,938,086.53 = 18,704,680.56 : x
  2. Step 2: Convert to fraction form
    73,292,099.41/109,938,086.53 = 18,704,680.56/x
  3. Step 3: Cross multiply
    73,292,099.41x = 109,938,086.53 × 18,704,680.56
  4. Step 4: Simplify right side
    73,292,099.41x = 2,056,356,789,921,288.75
  5. Step 5: Solve for x
    x = 2,056,356,789,921,288.75/73,292,099.41
  6. Step 6: Final answer
    x = 28,057,004.87

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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.