Home / 331,248,319.20-496,499,230.80-158,807,743.20

Finding the Fourth Proportional to 331,248,319.20, 496,499,230.80 and 158,807,743.20

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Solution

The fourth proportional to 331,248,319.20, 496,499,230.80 and 158,807,743.20 is: 238,032,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,248,319.20 : 496,499,230.80 = 158,807,743.20 : x
  2. Step 2: Convert to fraction form
    331,248,319.20/496,499,230.80 = 158,807,743.20/x
  3. Step 3: Cross multiply
    331,248,319.20x = 496,499,230.80 × 158,807,743.20
  4. Step 4: Simplify right side
    331,248,319.20x = 78,847,922,343,883,920
  5. Step 5: Solve for x
    x = 78,847,922,343,883,920/331,248,319.20
  6. Step 6: Final answer
    x = 238,032,671.48

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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.