Home / 203,938,896.20-305,968,038.09-65,761,724.34

Finding the Fourth Proportional to 203,938,896.20, 305,968,038.09 and 65,761,724.34

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Solution

The fourth proportional to 203,938,896.20, 305,968,038.09 and 65,761,724.34 is: 98,661,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,938,896.20 : 305,968,038.09 = 65,761,724.34 : x
  2. Step 2: Convert to fraction form
    203,938,896.20/305,968,038.09 = 65,761,724.34/x
  3. Step 3: Cross multiply
    203,938,896.20x = 305,968,038.09 × 65,761,724.34
  4. Step 4: Simplify right side
    203,938,896.20x = 20,120,985,777,478,596
  5. Step 5: Solve for x
    x = 20,120,985,777,478,596/203,938,896.20
  6. Step 6: Final answer
    x = 98,661,835.25

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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.