Home / 65,800,768.43-90,807,898.61-36,432,101.63

Finding the Fourth Proportional to 65,800,768.43, 90,807,898.61 and 36,432,101.63

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Solution

The fourth proportional to 65,800,768.43, 90,807,898.61 and 36,432,101.63 is: 50,277,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800,768.43 : 90,807,898.61 = 36,432,101.63 : x
  2. Step 2: Convert to fraction form
    65,800,768.43/90,807,898.61 = 36,432,101.63/x
  3. Step 3: Cross multiply
    65,800,768.43x = 90,807,898.61 × 36,432,101.63
  4. Step 4: Simplify right side
    65,800,768.43x = 3,308,322,590,784,095.50
  5. Step 5: Solve for x
    x = 3,308,322,590,784,095.50/65,800,768.43
  6. Step 6: Final answer
    x = 50,277,871.67

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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.