Home / 331,128,629.20-496,692,943.80-112,706,378.20

Finding the Fourth Proportional to 331,128,629.20, 496,692,943.80 and 112,706,378.20

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Solution

The fourth proportional to 331,128,629.20, 496,692,943.80 and 112,706,378.20 is: 169,059,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,128,629.20 : 496,692,943.80 = 112,706,378.20 : x
  2. Step 2: Convert to fraction form
    331,128,629.20/496,692,943.80 = 112,706,378.20/x
  3. Step 3: Cross multiply
    331,128,629.20x = 496,692,943.80 × 112,706,378.20
  4. Step 4: Simplify right side
    331,128,629.20x = 55,980,462,773,194,144
  5. Step 5: Solve for x
    x = 55,980,462,773,194,144/331,128,629.20
  6. Step 6: Final answer
    x = 169,059,567.30

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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.