Home / 129,435,666.44-194,154,225.44-43,173,836.36

Finding the Fourth Proportional to 129,435,666.44, 194,154,225.44 and 43,173,836.36

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Solution

The fourth proportional to 129,435,666.44, 194,154,225.44 and 43,173,836.36 is: 64,760,996.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,435,666.44 : 194,154,225.44 = 43,173,836.36 : x
  2. Step 2: Convert to fraction form
    129,435,666.44/194,154,225.44 = 43,173,836.36/x
  3. Step 3: Cross multiply
    129,435,666.44x = 194,154,225.44 × 43,173,836.36
  4. Step 4: Simplify right side
    129,435,666.44x = 8,382,382,757,749,109
  5. Step 5: Solve for x
    x = 8,382,382,757,749,109/129,435,666.44
  6. Step 6: Final answer
    x = 64,760,996.63

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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.