Home / 57,621,280.85-79,467,114.17-40,842,833.51

Finding the Fourth Proportional to 57,621,280.85, 79,467,114.17 and 40,842,833.51

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Solution

The fourth proportional to 57,621,280.85, 79,467,114.17 and 40,842,833.51 is: 56,327,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621,280.85 : 79,467,114.17 = 40,842,833.51 : x
  2. Step 2: Convert to fraction form
    57,621,280.85/79,467,114.17 = 40,842,833.51/x
  3. Step 3: Cross multiply
    57,621,280.85x = 79,467,114.17 × 40,842,833.51
  4. Step 4: Simplify right side
    57,621,280.85x = 3,245,662,113,270,243.50
  5. Step 5: Solve for x
    x = 3,245,662,113,270,243.50/57,621,280.85
  6. Step 6: Final answer
    x = 56,327,489.87

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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.