Home / 65,800,768.18-90,807,898.26-36,432,101.38

Finding the Fourth Proportional to 65,800,768.18, 90,807,898.26 and 36,432,101.38

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Solution

The fourth proportional to 65,800,768.18, 90,807,898.26 and 36,432,101.38 is: 50,277,871.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,800,768.18 : 90,807,898.26 = 36,432,101.38 : x
  2. Step 2: Convert to fraction form
    65,800,768.18/90,807,898.26 = 36,432,101.38/x
  3. Step 3: Cross multiply
    65,800,768.18x = 90,807,898.26 × 36,432,101.38
  4. Step 4: Simplify right side
    65,800,768.18x = 3,308,322,555,513,046
  5. Step 5: Solve for x
    x = 3,308,322,555,513,046/65,800,768.18
  6. Step 6: Final answer
    x = 50,277,871.32

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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.