Home / 89,794,309.48-134,696,272.38-28,378,796.20

Finding the Fourth Proportional to 89,794,309.48, 134,696,272.38 and 28,378,796.20

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Solution

The fourth proportional to 89,794,309.48, 134,696,272.38 and 28,378,796.20 is: 42,569,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,794,309.48 : 134,696,272.38 = 28,378,796.20 : x
  2. Step 2: Convert to fraction form
    89,794,309.48/134,696,272.38 = 28,378,796.20/x
  3. Step 3: Cross multiply
    89,794,309.48x = 134,696,272.38 × 28,378,796.20
  4. Step 4: Simplify right side
    89,794,309.48x = 3,822,518,062,771,708.50
  5. Step 5: Solve for x
    x = 3,822,518,062,771,708.50/89,794,309.48
  6. Step 6: Final answer
    x = 42,569,713.88

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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.