Home / 206,972,092.20-310,458,138.30-104,935,420.20

Finding the Fourth Proportional to 206,972,092.20, 310,458,138.30 and 104,935,420.20

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Solution

The fourth proportional to 206,972,092.20, 310,458,138.30 and 104,935,420.20 is: 157,403,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,972,092.20 : 310,458,138.30 = 104,935,420.20 : x
  2. Step 2: Convert to fraction form
    206,972,092.20/310,458,138.30 = 104,935,420.20/x
  3. Step 3: Cross multiply
    206,972,092.20x = 310,458,138.30 × 104,935,420.20
  4. Step 4: Simplify right side
    206,972,092.20x = 32,578,055,197,020,216
  5. Step 5: Solve for x
    x = 32,578,055,197,020,216/206,972,092.20
  6. Step 6: Final answer
    x = 157,403,130.30

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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.