Home / 90,278,546.76-135,400,192.92-28,851,228

Finding the Fourth Proportional to 90,278,546.76, 135,400,192.92 and 28,851,228

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Solution

The fourth proportional to 90,278,546.76, 135,400,192.92 and 28,851,228 is: 43,271,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,278,546.76 : 135,400,192.92 = 28,851,228 : x
  2. Step 2: Convert to fraction form
    90,278,546.76/135,400,192.92 = 28,851,228/x
  3. Step 3: Cross multiply
    90,278,546.76x = 135,400,192.92 × 28,851,228
  4. Step 4: Simplify right side
    90,278,546.76x = 3,906,461,837,178,905.50
  5. Step 5: Solve for x
    x = 3,906,461,837,178,905.50/90,278,546.76
  6. Step 6: Final answer
    x = 43,271,208.69

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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.