Home / 220,673,078.92-304,525,128.49-121,563,097.30

Finding the Fourth Proportional to 220,673,078.92, 304,525,128.49 and 121,563,097.30

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Solution

The fourth proportional to 220,673,078.92, 304,525,128.49 and 121,563,097.30 is: 167,755,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,673,078.92 : 304,525,128.49 = 121,563,097.30 : x
  2. Step 2: Convert to fraction form
    220,673,078.92/304,525,128.49 = 121,563,097.30/x
  3. Step 3: Cross multiply
    220,673,078.92x = 304,525,128.49 × 121,563,097.30
  4. Step 4: Simplify right side
    220,673,078.92x = 37,019,017,824,924,872
  5. Step 5: Solve for x
    x = 37,019,017,824,924,872/220,673,078.92
  6. Step 6: Final answer
    x = 167,755,024.79

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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.