Home / 72,387,107.36-108,579,713.34-17,800,164.08

Finding the Fourth Proportional to 72,387,107.36, 108,579,713.34 and 17,800,164.08

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Solution

The fourth proportional to 72,387,107.36, 108,579,713.34 and 17,800,164.08 is: 26,700,013.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,387,107.36 : 108,579,713.34 = 17,800,164.08 : x
  2. Step 2: Convert to fraction form
    72,387,107.36/108,579,713.34 = 17,800,164.08/x
  3. Step 3: Cross multiply
    72,387,107.36x = 108,579,713.34 × 17,800,164.08
  4. Step 4: Simplify right side
    72,387,107.36x = 1,932,736,713,211,364.75
  5. Step 5: Solve for x
    x = 1,932,736,713,211,364.75/72,387,107.36
  6. Step 6: Final answer
    x = 26,700,013.08

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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.