Home / 72,659,706.46-108,989,559.70-49,871,516.38

Finding the Fourth Proportional to 72,659,706.46, 108,989,559.70 and 49,871,516.38

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Solution

The fourth proportional to 72,659,706.46, 108,989,559.70 and 49,871,516.38 is: 74,807,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,659,706.46 : 108,989,559.70 = 49,871,516.38 : x
  2. Step 2: Convert to fraction form
    72,659,706.46/108,989,559.70 = 49,871,516.38/x
  3. Step 3: Cross multiply
    72,659,706.46x = 108,989,559.70 × 49,871,516.38
  4. Step 4: Simplify right side
    72,659,706.46x = 5,435,474,611,827,538
  5. Step 5: Solve for x
    x = 5,435,474,611,827,538/72,659,706.46
  6. Step 6: Final answer
    x = 74,807,274.58

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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.