Home / 192,578,031.36-265,687,944.48-126,534,078.72

Finding the Fourth Proportional to 192,578,031.36, 265,687,944.48 and 126,534,078.72

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Solution

The fourth proportional to 192,578,031.36, 265,687,944.48 and 126,534,078.72 is: 174,571,206.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,578,031.36 : 265,687,944.48 = 126,534,078.72 : x
  2. Step 2: Convert to fraction form
    192,578,031.36/265,687,944.48 = 126,534,078.72/x
  3. Step 3: Cross multiply
    192,578,031.36x = 265,687,944.48 × 126,534,078.72
  4. Step 4: Simplify right side
    192,578,031.36x = 33,618,579,281,787,308
  5. Step 5: Solve for x
    x = 33,618,579,281,787,308/192,578,031.36
  6. Step 6: Final answer
    x = 174,571,206.51

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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.