Home / 78,634,592.48-108,491,690.97-45,588,247.89

Finding the Fourth Proportional to 78,634,592.48, 108,491,690.97 and 45,588,247.89

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Solution

The fourth proportional to 78,634,592.48, 108,491,690.97 and 45,588,247.89 is: 62,897,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,634,592.48 : 108,491,690.97 = 45,588,247.89 : x
  2. Step 2: Convert to fraction form
    78,634,592.48/108,491,690.97 = 45,588,247.89/x
  3. Step 3: Cross multiply
    78,634,592.48x = 108,491,690.97 × 45,588,247.89
  4. Step 4: Simplify right side
    78,634,592.48x = 4,945,946,101,945,635
  5. Step 5: Solve for x
    x = 4,945,946,101,945,635/78,634,592.48
  6. Step 6: Final answer
    x = 62,897,841.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.