Home / 129,910,898.44-194,808,105.42-77,413,329.10

Finding the Fourth Proportional to 129,910,898.44, 194,808,105.42 and 77,413,329.10

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Solution

The fourth proportional to 129,910,898.44, 194,808,105.42 and 77,413,329.10 is: 116,085,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,910,898.44 : 194,808,105.42 = 77,413,329.10 : x
  2. Step 2: Convert to fraction form
    129,910,898.44/194,808,105.42 = 77,413,329.10/x
  3. Step 3: Cross multiply
    129,910,898.44x = 194,808,105.42 × 77,413,329.10
  4. Step 4: Simplify right side
    129,910,898.44x = 15,080,743,976,225,952
  5. Step 5: Solve for x
    x = 15,080,743,976,225,952/129,910,898.44
  6. Step 6: Final answer
    x = 116,085,287.36

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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.