Home / 138,227,204.39-190,752,252.46-75,503,278.32

Finding the Fourth Proportional to 138,227,204.39, 190,752,252.46 and 75,503,278.32

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Solution

The fourth proportional to 138,227,204.39, 190,752,252.46 and 75,503,278.32 is: 104,193,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,227,204.39 : 190,752,252.46 = 75,503,278.32 : x
  2. Step 2: Convert to fraction form
    138,227,204.39/190,752,252.46 = 75,503,278.32/x
  3. Step 3: Cross multiply
    138,227,204.39x = 190,752,252.46 × 75,503,278.32
  4. Step 4: Simplify right side
    138,227,204.39x = 14,402,420,408,322,038
  5. Step 5: Solve for x
    x = 14,402,420,408,322,038/138,227,204.39
  6. Step 6: Final answer
    x = 104,193,819.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.