Home / 331,129,347.20-496,694,020.80-101,068,538.30

Finding the Fourth Proportional to 331,129,347.20, 496,694,020.80 and 101,068,538.30

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Solution

The fourth proportional to 331,129,347.20, 496,694,020.80 and 101,068,538.30 is: 151,602,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,129,347.20 : 496,694,020.80 = 101,068,538.30 : x
  2. Step 2: Convert to fraction form
    331,129,347.20/496,694,020.80 = 101,068,538.30/x
  3. Step 3: Cross multiply
    331,129,347.20x = 496,694,020.80 × 101,068,538.30
  4. Step 4: Simplify right side
    331,129,347.20x = 50,200,138,664,605,800
  5. Step 5: Solve for x
    x = 50,200,138,664,605,800/331,129,347.20
  6. Step 6: Final answer
    x = 151,602,807.45

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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.