Home / 80,925,648.17-111,651,898.57-49,530,968.53

Finding the Fourth Proportional to 80,925,648.17, 111,651,898.57 and 49,530,968.53

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Solution

The fourth proportional to 80,925,648.17, 111,651,898.57 and 49,530,968.53 is: 68,337,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925,648.17 : 111,651,898.57 = 49,530,968.53 : x
  2. Step 2: Convert to fraction form
    80,925,648.17/111,651,898.57 = 49,530,968.53/x
  3. Step 3: Cross multiply
    80,925,648.17x = 111,651,898.57 × 49,530,968.53
  4. Step 4: Simplify right side
    80,925,648.17x = 5,530,226,673,982,465
  5. Step 5: Solve for x
    x = 5,530,226,673,982,465/80,925,648.17
  6. Step 6: Final answer
    x = 68,337,131.67

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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.