Home / 432,051,309.68-648,078,645.89-104,526,297.28

Finding the Fourth Proportional to 432,051,309.68, 648,078,645.89 and 104,526,297.28

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Solution

The fourth proportional to 432,051,309.68, 648,078,645.89 and 104,526,297.28 is: 156,789,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,051,309.68 : 648,078,645.89 = 104,526,297.28 : x
  2. Step 2: Convert to fraction form
    432,051,309.68/648,078,645.89 = 104,526,297.28/x
  3. Step 3: Cross multiply
    432,051,309.68x = 648,078,645.89 × 104,526,297.28
  4. Step 4: Simplify right side
    432,051,309.68x = 67,741,261,200,595,360
  5. Step 5: Solve for x
    x = 67,741,261,200,595,360/432,051,309.68
  6. Step 6: Final answer
    x = 156,789,852.69

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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.