Home / 72,108,743.64-108,163,115.46-17,521,048.68

Finding the Fourth Proportional to 72,108,743.64, 108,163,115.46 and 17,521,048.68

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Solution

The fourth proportional to 72,108,743.64, 108,163,115.46 and 17,521,048.68 is: 26,281,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,108,743.64 : 108,163,115.46 = 17,521,048.68 : x
  2. Step 2: Convert to fraction form
    72,108,743.64/108,163,115.46 = 17,521,048.68/x
  3. Step 3: Cross multiply
    72,108,743.64x = 108,163,115.46 × 17,521,048.68
  4. Step 4: Simplify right side
    72,108,743.64x = 1,895,131,211,355,120.50
  5. Step 5: Solve for x
    x = 1,895,131,211,355,120.50/72,108,743.64
  6. Step 6: Final answer
    x = 26,281,573.02

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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.