Home / 199,769,918.39-299,678,889.22-70,350,781.67

Finding the Fourth Proportional to 199,769,918.39, 299,678,889.22 and 70,350,781.67

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Solution

The fourth proportional to 199,769,918.39, 299,678,889.22 and 70,350,781.67 is: 105,534,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,769,918.39 : 299,678,889.22 = 70,350,781.67 : x
  2. Step 2: Convert to fraction form
    199,769,918.39/299,678,889.22 = 70,350,781.67/x
  3. Step 3: Cross multiply
    199,769,918.39x = 299,678,889.22 × 70,350,781.67
  4. Step 4: Simplify right side
    199,769,918.39x = 21,082,644,104,950,064
  5. Step 5: Solve for x
    x = 21,082,644,104,950,064/199,769,918.39
  6. Step 6: Final answer
    x = 105,534,628.41

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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.