Home / 226,774,479.60-340,161,719.40-81,212,789.70

Finding the Fourth Proportional to 226,774,479.60, 340,161,719.40 and 81,212,789.70

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Solution

The fourth proportional to 226,774,479.60, 340,161,719.40 and 81,212,789.70 is: 121,819,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,774,479.60 : 340,161,719.40 = 81,212,789.70 : x
  2. Step 2: Convert to fraction form
    226,774,479.60/340,161,719.40 = 81,212,789.70/x
  3. Step 3: Cross multiply
    226,774,479.60x = 340,161,719.40 × 81,212,789.70
  4. Step 4: Simplify right side
    226,774,479.60x = 27,625,482,181,622,608
  5. Step 5: Solve for x
    x = 27,625,482,181,622,608/226,774,479.60
  6. Step 6: Final answer
    x = 121,819,184.55

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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.