Home / 206,972,101.20-310,458,151.80-104,935,429.20

Finding the Fourth Proportional to 206,972,101.20, 310,458,151.80 and 104,935,429.20

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Solution

The fourth proportional to 206,972,101.20, 310,458,151.80 and 104,935,429.20 is: 157,403,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972,101.20 : 310,458,151.80 = 104,935,429.20 : x
  2. Step 2: Convert to fraction form
    206,972,101.20/310,458,151.80 = 104,935,429.20/x
  3. Step 3: Cross multiply
    206,972,101.20x = 310,458,151.80 × 104,935,429.20
  4. Step 4: Simplify right side
    206,972,101.20x = 32,578,059,407,771,756
  5. Step 5: Solve for x
    x = 32,578,059,407,771,756/206,972,101.20
  6. Step 6: Final answer
    x = 157,403,143.80

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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.