Home / 49,965,693.80-74,976,534.30-21,206,935.40

Finding the Fourth Proportional to 49,965,693.80, 74,976,534.30 and 21,206,935.40

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Solution

The fourth proportional to 49,965,693.80, 74,976,534.30 and 21,206,935.40 is: 31,822,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,965,693.80 : 74,976,534.30 = 21,206,935.40 : x
  2. Step 2: Convert to fraction form
    49,965,693.80/74,976,534.30 = 21,206,935.40/x
  3. Step 3: Cross multiply
    49,965,693.80x = 74,976,534.30 × 21,206,935.40
  4. Step 4: Simplify right side
    49,965,693.80x = 1,590,022,519,415,984
  5. Step 5: Solve for x
    x = 1,590,022,519,415,984/49,965,693.80
  6. Step 6: Final answer
    x = 31,822,284.42

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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.