Home / 279,929,400.48-420,081,390.81-116,167,151.52

Finding the Fourth Proportional to 279,929,400.48, 420,081,390.81 and 116,167,151.52

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Solution

The fourth proportional to 279,929,400.48, 420,081,390.81 and 116,167,151.52 is: 174,328,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,929,400.48 : 420,081,390.81 = 116,167,151.52 : x
  2. Step 2: Convert to fraction form
    279,929,400.48/420,081,390.81 = 116,167,151.52/x
  3. Step 3: Cross multiply
    279,929,400.48x = 420,081,390.81 × 116,167,151.52
  4. Step 4: Simplify right side
    279,929,400.48x = 48,799,658,576,957,608
  5. Step 5: Solve for x
    x = 48,799,658,576,957,608/279,929,400.48
  6. Step 6: Final answer
    x = 174,328,450.29

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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.