Home / 161,356,715.99-222,644,488.46-90,782,532.17

Finding the Fourth Proportional to 161,356,715.99, 222,644,488.46 and 90,782,532.17

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Solution

The fourth proportional to 161,356,715.99, 222,644,488.46 and 90,782,532.17 is: 125,264,265.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,356,715.99 : 222,644,488.46 = 90,782,532.17 : x
  2. Step 2: Convert to fraction form
    161,356,715.99/222,644,488.46 = 90,782,532.17/x
  3. Step 3: Cross multiply
    161,356,715.99x = 222,644,488.46 × 90,782,532.17
  4. Step 4: Simplify right side
    161,356,715.99x = 20,212,230,435,360,928
  5. Step 5: Solve for x
    x = 20,212,230,435,360,928/161,356,715.99
  6. Step 6: Final answer
    x = 125,264,265.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.