Home / 76,478,425.38-114,635,951.56-43,618,247.37

Finding the Fourth Proportional to 76,478,425.38, 114,635,951.56 and 43,618,247.37

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Solution

The fourth proportional to 76,478,425.38, 114,635,951.56 and 43,618,247.37 is: 65,380,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,478,425.38 : 114,635,951.56 = 43,618,247.37 : x
  2. Step 2: Convert to fraction form
    76,478,425.38/114,635,951.56 = 43,618,247.37/x
  3. Step 3: Cross multiply
    76,478,425.38x = 114,635,951.56 × 43,618,247.37
  4. Step 4: Simplify right side
    76,478,425.38x = 5,000,219,292,693,940
  5. Step 5: Solve for x
    x = 5,000,219,292,693,940/76,478,425.38
  6. Step 6: Final answer
    x = 65,380,782.46

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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.