Home / 49,965,695.80-74,976,537.30-21,206,937.40

Finding the Fourth Proportional to 49,965,695.80, 74,976,537.30 and 21,206,937.40

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Solution

The fourth proportional to 49,965,695.80, 74,976,537.30 and 21,206,937.40 is: 31,822,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965,695.80 : 74,976,537.30 = 21,206,937.40 : x
  2. Step 2: Convert to fraction form
    49,965,695.80/74,976,537.30 = 21,206,937.40/x
  3. Step 3: Cross multiply
    49,965,695.80x = 74,976,537.30 × 21,206,937.40
  4. Step 4: Simplify right side
    49,965,695.80x = 1,590,022,732,989,864.75
  5. Step 5: Solve for x
    x = 1,590,022,732,989,864.75/49,965,695.80
  6. Step 6: Final answer
    x = 31,822,287.42

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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.