Home / 199,769,912.01-299,678,879.66-70,350,775.29

Finding the Fourth Proportional to 199,769,912.01, 299,678,879.66 and 70,350,775.29

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Solution

The fourth proportional to 199,769,912.01, 299,678,879.66 and 70,350,775.29 is: 105,534,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,769,912.01 : 299,678,879.66 = 70,350,775.29 : x
  2. Step 2: Convert to fraction form
    199,769,912.01/299,678,879.66 = 70,350,775.29/x
  3. Step 3: Cross multiply
    199,769,912.01x = 299,678,879.66 × 70,350,775.29
  4. Step 4: Simplify right side
    199,769,912.01x = 21,082,641,521,767,856
  5. Step 5: Solve for x
    x = 21,082,641,521,767,856/199,769,912.01
  6. Step 6: Final answer
    x = 105,534,618.85

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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.