Home / 57,206,407.20-85,809,610.80-50,935,840.80

Finding the Fourth Proportional to 57,206,407.20, 85,809,610.80 and 50,935,840.80

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Solution

The fourth proportional to 57,206,407.20, 85,809,610.80 and 50,935,840.80 is: 76,403,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,206,407.20 : 85,809,610.80 = 50,935,840.80 : x
  2. Step 2: Convert to fraction form
    57,206,407.20/85,809,610.80 = 50,935,840.80/x
  3. Step 3: Cross multiply
    57,206,407.20x = 85,809,610.80 × 50,935,840.80
  4. Step 4: Simplify right side
    57,206,407.20x = 4,370,784,674,818,760
  5. Step 5: Solve for x
    x = 4,370,784,674,818,760/57,206,407.20
  6. Step 6: Final answer
    x = 76,403,761.20

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1.5x scale

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.