Home / 94,777,497.60-142,166,246.40-78,621,691.20

Finding the Fourth Proportional to 94,777,497.60, 142,166,246.40 and 78,621,691.20

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Solution

The fourth proportional to 94,777,497.60, 142,166,246.40 and 78,621,691.20 is: 117,932,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,777,497.60 : 142,166,246.40 = 78,621,691.20 : x
  2. Step 2: Convert to fraction form
    94,777,497.60/142,166,246.40 = 78,621,691.20/x
  3. Step 3: Cross multiply
    94,777,497.60x = 142,166,246.40 × 78,621,691.20
  4. Step 4: Simplify right side
    94,777,497.60x = 11,177,350,723,523,912
  5. Step 5: Solve for x
    x = 11,177,350,723,523,912/94,777,497.60
  6. Step 6: Final answer
    x = 117,932,536.80

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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.