Home / 72,387,108.61-108,579,715.21-17,800,165.33

Finding the Fourth Proportional to 72,387,108.61, 108,579,715.21 and 17,800,165.33

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Solution

The fourth proportional to 72,387,108.61, 108,579,715.21 and 17,800,165.33 is: 26,700,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,387,108.61 : 108,579,715.21 = 17,800,165.33 : x
  2. Step 2: Convert to fraction form
    72,387,108.61/108,579,715.21 = 17,800,165.33/x
  3. Step 3: Cross multiply
    72,387,108.61x = 108,579,715.21 × 17,800,165.33
  4. Step 4: Simplify right side
    72,387,108.61x = 1,932,736,882,222,315.25
  5. Step 5: Solve for x
    x = 1,932,736,882,222,315.25/72,387,108.61
  6. Step 6: Final answer
    x = 26,700,014.95

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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.