Home / 113,368,427.21-156,367,841.20-75,672,585.42

Finding the Fourth Proportional to 113,368,427.21, 156,367,841.20 and 75,672,585.42

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Solution

The fourth proportional to 113,368,427.21, 156,367,841.20 and 75,672,585.42 is: 104,374,375.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,368,427.21 : 156,367,841.20 = 75,672,585.42 : x
  2. Step 2: Convert to fraction form
    113,368,427.21/156,367,841.20 = 75,672,585.42/x
  3. Step 3: Cross multiply
    113,368,427.21x = 156,367,841.20 × 75,672,585.42
  4. Step 4: Simplify right side
    113,368,427.21x = 11,832,758,820,904,192
  5. Step 5: Solve for x
    x = 11,832,758,820,904,192/113,368,427.21
  6. Step 6: Final answer
    x = 104,374,375.76

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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.