Home / 331,042,755.20-496,564,132.80-115,604,009.60

Finding the Fourth Proportional to 331,042,755.20, 496,564,132.80 and 115,604,009.60

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Solution

The fourth proportional to 331,042,755.20, 496,564,132.80 and 115,604,009.60 is: 173,406,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,042,755.20 : 496,564,132.80 = 115,604,009.60 : x
  2. Step 2: Convert to fraction form
    331,042,755.20/496,564,132.80 = 115,604,009.60/x
  3. Step 3: Cross multiply
    331,042,755.20x = 496,564,132.80 × 115,604,009.60
  4. Step 4: Simplify right side
    331,042,755.20x = 57,404,804,775,226,872
  5. Step 5: Solve for x
    x = 57,404,804,775,226,872/331,042,755.20
  6. Step 6: Final answer
    x = 173,406,014.40

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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.