Home / 45,993,109.24-68,989,663.92-18,693,005.86

Finding the Fourth Proportional to 45,993,109.24, 68,989,663.92 and 18,693,005.86

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Solution

The fourth proportional to 45,993,109.24, 68,989,663.92 and 18,693,005.86 is: 28,039,508.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,993,109.24 : 68,989,663.92 = 18,693,005.86 : x
  2. Step 2: Convert to fraction form
    45,993,109.24/68,989,663.92 = 18,693,005.86/x
  3. Step 3: Cross multiply
    45,993,109.24x = 68,989,663.92 × 18,693,005.86
  4. Step 4: Simplify right side
    45,993,109.24x = 1,289,624,191,833,615.25
  5. Step 5: Solve for x
    x = 1,289,624,191,833,615.25/45,993,109.24
  6. Step 6: Final answer
    x = 28,039,508.81

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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.