Home / 77,634,600.39-116,408,203.72-25,791,448.28

Finding the Fourth Proportional to 77,634,600.39, 116,408,203.72 and 25,791,448.28

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Solution

The fourth proportional to 77,634,600.39, 116,408,203.72 and 25,791,448.28 is: 38,672,655.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,634,600.39 : 116,408,203.72 = 25,791,448.28 : x
  2. Step 2: Convert to fraction form
    77,634,600.39/116,408,203.72 = 25,791,448.28/x
  3. Step 3: Cross multiply
    77,634,600.39x = 116,408,203.72 × 25,791,448.28
  4. Step 4: Simplify right side
    77,634,600.39x = 3,002,336,164,965,564
  5. Step 5: Solve for x
    x = 3,002,336,164,965,564/77,634,600.39
  6. Step 6: Final answer
    x = 38,672,655.62

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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.