Home / 54,512,649.23-81,805,336.67-28,275,665.86

Finding the Fourth Proportional to 54,512,649.23, 81,805,336.67 and 28,275,665.86

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Solution

The fourth proportional to 54,512,649.23, 81,805,336.67 and 28,275,665.86 is: 42,432,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,512,649.23 : 81,805,336.67 = 28,275,665.86 : x
  2. Step 2: Convert to fraction form
    54,512,649.23/81,805,336.67 = 28,275,665.86/x
  3. Step 3: Cross multiply
    54,512,649.23x = 81,805,336.67 × 28,275,665.86
  4. Step 4: Simplify right side
    54,512,649.23x = 2,313,100,365,111,901
  5. Step 5: Solve for x
    x = 2,313,100,365,111,901/54,512,649.23
  6. Step 6: Final answer
    x = 42,432,360.15

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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.