Home / 129,594,747.94-178,840,769.07-70,857,453.76

Finding the Fourth Proportional to 129,594,747.94, 178,840,769.07 and 70,857,453.76

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Solution

The fourth proportional to 129,594,747.94, 178,840,769.07 and 70,857,453.76 is: 97,783,295.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,594,747.94 : 178,840,769.07 = 70,857,453.76 : x
  2. Step 2: Convert to fraction form
    129,594,747.94/178,840,769.07 = 70,857,453.76/x
  3. Step 3: Cross multiply
    129,594,747.94x = 178,840,769.07 × 70,857,453.76
  4. Step 4: Simplify right side
    129,594,747.94x = 12,672,201,524,780,364
  5. Step 5: Solve for x
    x = 12,672,201,524,780,364/129,594,747.94
  6. Step 6: Final answer
    x = 97,783,295.44

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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.