Home / 129,395,562.36-194,028,439.74-43,103,631.48

Finding the Fourth Proportional to 129,395,562.36, 194,028,439.74 and 43,103,631.48

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Solution

The fourth proportional to 129,395,562.36, 194,028,439.74 and 43,103,631.48 is: 64,633,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,395,562.36 : 194,028,439.74 = 43,103,631.48 : x
  2. Step 2: Convert to fraction form
    129,395,562.36/194,028,439.74 = 43,103,631.48/x
  3. Step 3: Cross multiply
    129,395,562.36x = 194,028,439.74 × 43,103,631.48
  4. Step 4: Simplify right side
    129,395,562.36x = 8,363,330,363,192,347
  5. Step 5: Solve for x
    x = 8,363,330,363,192,347/129,395,562.36
  6. Step 6: Final answer
    x = 64,633,826.78

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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.