Home / 72,387,107.61-108,579,713.72-17,800,164.33

Finding the Fourth Proportional to 72,387,107.61, 108,579,713.72 and 17,800,164.33

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Solution

The fourth proportional to 72,387,107.61, 108,579,713.72 and 17,800,164.33 is: 26,700,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,387,107.61 : 108,579,713.72 = 17,800,164.33 : x
  2. Step 2: Convert to fraction form
    72,387,107.61/108,579,713.72 = 17,800,164.33/x
  3. Step 3: Cross multiply
    72,387,107.61x = 108,579,713.72 × 17,800,164.33
  4. Step 4: Simplify right side
    72,387,107.61x = 1,932,736,747,031,354.75
  5. Step 5: Solve for x
    x = 1,932,736,747,031,354.75/72,387,107.61
  6. Step 6: Final answer
    x = 26,700,013.45

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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.