Home / 144,440,278.99-199,327,971.37-78,360,777.26

Finding the Fourth Proportional to 144,440,278.99, 199,327,971.37 and 78,360,777.26

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Solution

The fourth proportional to 144,440,278.99, 199,327,971.37 and 78,360,777.26 is: 108,138,082.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440,278.99 : 199,327,971.37 = 78,360,777.26 : x
  2. Step 2: Convert to fraction form
    144,440,278.99/199,327,971.37 = 78,360,777.26/x
  3. Step 3: Cross multiply
    144,440,278.99x = 199,327,971.37 × 78,360,777.26
  4. Step 4: Simplify right side
    144,440,278.99x = 15,619,494,766,212,228
  5. Step 5: Solve for x
    x = 15,619,494,766,212,228/144,440,278.99
  6. Step 6: Final answer
    x = 108,138,082.23

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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.