Home / 320,531,021.56-480,835,036.50-113,226,861.88

Finding the Fourth Proportional to 320,531,021.56, 480,835,036.50 and 113,226,861.88

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Solution

The fourth proportional to 320,531,021.56, 480,835,036.50 and 113,226,861.88 is: 169,853,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,531,021.56 : 480,835,036.50 = 113,226,861.88 : x
  2. Step 2: Convert to fraction form
    320,531,021.56/480,835,036.50 = 113,226,861.88/x
  3. Step 3: Cross multiply
    320,531,021.56x = 480,835,036.50 × 113,226,861.88
  4. Step 4: Simplify right side
    320,531,021.56x = 54,443,442,264,850,256
  5. Step 5: Solve for x
    x = 54,443,442,264,850,256/320,531,021.56
  6. Step 6: Final answer
    x = 169,853,894.33

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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.