Home / 129,395,569.61-194,028,450.73-43,103,638.73

Finding the Fourth Proportional to 129,395,569.61, 194,028,450.73 and 43,103,638.73

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Solution

The fourth proportional to 129,395,569.61, 194,028,450.73 and 43,103,638.73 is: 64,633,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,395,569.61 : 194,028,450.73 = 43,103,638.73 : x
  2. Step 2: Convert to fraction form
    129,395,569.61/194,028,450.73 = 43,103,638.73/x
  3. Step 3: Cross multiply
    129,395,569.61x = 194,028,450.73 × 43,103,638.73
  4. Step 4: Simplify right side
    129,395,569.61x = 8,363,332,243,607,524
  5. Step 5: Solve for x
    x = 8,363,332,243,607,524/129,395,569.61
  6. Step 6: Final answer
    x = 64,633,837.69

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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.