Home / 216,777,882.15-299,153,805.05-117,658,665.11

Finding the Fourth Proportional to 216,777,882.15, 299,153,805.05 and 117,658,665.11

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Solution

The fourth proportional to 216,777,882.15, 299,153,805.05 and 117,658,665.11 is: 162,369,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,777,882.15 : 299,153,805.05 = 117,658,665.11 : x
  2. Step 2: Convert to fraction form
    216,777,882.15/299,153,805.05 = 117,658,665.11/x
  3. Step 3: Cross multiply
    216,777,882.15x = 299,153,805.05 × 117,658,665.11
  4. Step 4: Simplify right side
    216,777,882.15x = 35,198,037,365,802,208
  5. Step 5: Solve for x
    x = 35,198,037,365,802,208/216,777,882.15
  6. Step 6: Final answer
    x = 162,369,135.71

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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.