Home / 203,938,903.57-305,968,049.17-65,761,731.72

Finding the Fourth Proportional to 203,938,903.57, 305,968,049.17 and 65,761,731.72

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Solution

The fourth proportional to 203,938,903.57, 305,968,049.17 and 65,761,731.72 is: 98,661,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938,903.57 : 305,968,049.17 = 65,761,731.72 : x
  2. Step 2: Convert to fraction form
    203,938,903.57/305,968,049.17 = 65,761,731.72/x
  3. Step 3: Cross multiply
    203,938,903.57x = 305,968,049.17 × 65,761,731.72
  4. Step 4: Simplify right side
    203,938,903.57x = 20,120,988,762,715,068
  5. Step 5: Solve for x
    x = 20,120,988,762,715,068/203,938,903.57
  6. Step 6: Final answer
    x = 98,661,846.32

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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.