Home / 57,079,718.49-85,619,336.34-20,679,574.53

Finding the Fourth Proportional to 57,079,718.49, 85,619,336.34 and 20,679,574.53

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Solution

The fourth proportional to 57,079,718.49, 85,619,336.34 and 20,679,574.53 is: 31,019,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079,718.49 : 85,619,336.34 = 20,679,574.53 : x
  2. Step 2: Convert to fraction form
    57,079,718.49/85,619,336.34 = 20,679,574.53/x
  3. Step 3: Cross multiply
    57,079,718.49x = 85,619,336.34 × 20,679,574.53
  4. Step 4: Simplify right side
    57,079,718.49x = 1,770,571,447,052,167.50
  5. Step 5: Solve for x
    x = 1,770,571,447,052,167.50/57,079,718.49
  6. Step 6: Final answer
    x = 31,019,274.34

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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.