Home / 171,976,002.21-257,944,685.10-47,496,327.39

Finding the Fourth Proportional to 171,976,002.21, 257,944,685.10 and 47,496,327.39

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Solution

The fourth proportional to 171,976,002.21, 257,944,685.10 and 47,496,327.39 is: 71,239,155.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,976,002.21 : 257,944,685.10 = 47,496,327.39 : x
  2. Step 2: Convert to fraction form
    171,976,002.21/257,944,685.10 = 47,496,327.39/x
  3. Step 3: Cross multiply
    171,976,002.21x = 257,944,685.10 × 47,496,327.39
  4. Step 4: Simplify right side
    171,976,002.21x = 12,251,425,212,020,054
  5. Step 5: Solve for x
    x = 12,251,425,212,020,054/171,976,002.21
  6. Step 6: Final answer
    x = 71,239,155.78

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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.