Home / 126,408,627.78-189,612,941.68-35,532,216.78

Finding the Fourth Proportional to 126,408,627.78, 189,612,941.68 and 35,532,216.78

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Solution

The fourth proportional to 126,408,627.78, 189,612,941.68 and 35,532,216.78 is: 53,298,325.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,408,627.78 : 189,612,941.68 = 35,532,216.78 : x
  2. Step 2: Convert to fraction form
    126,408,627.78/189,612,941.68 = 35,532,216.78/x
  3. Step 3: Cross multiply
    126,408,627.78x = 189,612,941.68 × 35,532,216.78
  4. Step 4: Simplify right side
    126,408,627.78x = 6,737,368,148,067,258
  5. Step 5: Solve for x
    x = 6,737,368,148,067,258/126,408,627.78
  6. Step 6: Final answer
    x = 53,298,325.17

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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.