Home / 129,395,576.36-194,028,460.86-43,103,645.48

Finding the Fourth Proportional to 129,395,576.36, 194,028,460.86 and 43,103,645.48

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Solution

The fourth proportional to 129,395,576.36, 194,028,460.86 and 43,103,645.48 is: 64,633,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,395,576.36 : 194,028,460.86 = 43,103,645.48 : x
  2. Step 2: Convert to fraction form
    129,395,576.36/194,028,460.86 = 43,103,645.48/x
  3. Step 3: Cross multiply
    129,395,576.36x = 194,028,460.86 × 43,103,645.48
  4. Step 4: Simplify right side
    129,395,576.36x = 8,363,333,989,939,496
  5. Step 5: Solve for x
    x = 8,363,333,989,939,496/129,395,576.36
  6. Step 6: Final answer
    x = 64,633,847.81

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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.