Home / 129,307,844.70-194,056,245.45-91,044,092.70

Finding the Fourth Proportional to 129,307,844.70, 194,056,245.45 and 91,044,092.70

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Solution

The fourth proportional to 129,307,844.70, 194,056,245.45 and 91,044,092.70 is: 136,632,660.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,307,844.70 : 194,056,245.45 = 91,044,092.70 : x
  2. Step 2: Convert to fraction form
    129,307,844.70/194,056,245.45 = 91,044,092.70/x
  3. Step 3: Cross multiply
    129,307,844.70x = 194,056,245.45 × 91,044,092.70
  4. Step 4: Simplify right side
    129,307,844.70x = 17,667,674,799,763,752
  5. Step 5: Solve for x
    x = 17,667,674,799,763,752/129,307,844.70
  6. Step 6: Final answer
    x = 136,632,660.15

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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.