Home / 72,149,199.63-108,223,836.35-17,561,794.44

Finding the Fourth Proportional to 72,149,199.63, 108,223,836.35 and 17,561,794.44

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Solution

The fourth proportional to 72,149,199.63, 108,223,836.35 and 17,561,794.44 is: 26,342,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,149,199.63 : 108,223,836.35 = 17,561,794.44 : x
  2. Step 2: Convert to fraction form
    72,149,199.63/108,223,836.35 = 17,561,794.44/x
  3. Step 3: Cross multiply
    72,149,199.63x = 108,223,836.35 × 17,561,794.44
  4. Step 4: Simplify right side
    72,149,199.63x = 1,900,604,767,804,930.50
  5. Step 5: Solve for x
    x = 1,900,604,767,804,930.50/72,149,199.63
  6. Step 6: Final answer
    x = 26,342,700.65

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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.