Home / 129,395,529.86-194,028,391.11-43,103,598.98

Finding the Fourth Proportional to 129,395,529.86, 194,028,391.11 and 43,103,598.98

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Solution

The fourth proportional to 129,395,529.86, 194,028,391.11 and 43,103,598.98 is: 64,633,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,395,529.86 : 194,028,391.11 = 43,103,598.98 : x
  2. Step 2: Convert to fraction form
    129,395,529.86/194,028,391.11 = 43,103,598.98/x
  3. Step 3: Cross multiply
    129,395,529.86x = 194,028,391.11 × 43,103,598.98
  4. Step 4: Simplify right side
    129,395,529.86x = 8,363,321,961,140,037
  5. Step 5: Solve for x
    x = 8,363,321,961,140,037/129,395,529.86
  6. Step 6: Final answer
    x = 64,633,778.08

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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.