Home / 228,256,805.93-342,440,977.79-72,810,640.87

Finding the Fourth Proportional to 228,256,805.93, 342,440,977.79 and 72,810,640.87

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Solution

The fourth proportional to 228,256,805.93, 342,440,977.79 and 72,810,640.87 is: 109,233,750.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,256,805.93 : 342,440,977.79 = 72,810,640.87 : x
  2. Step 2: Convert to fraction form
    228,256,805.93/342,440,977.79 = 72,810,640.87/x
  3. Step 3: Cross multiply
    228,256,805.93x = 342,440,977.79 × 72,810,640.87
  4. Step 4: Simplify right side
    228,256,805.93x = 24,933,347,052,365,264
  5. Step 5: Solve for x
    x = 24,933,347,052,365,264/228,256,805.93
  6. Step 6: Final answer
    x = 109,233,750.78

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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.