Home / 104,024,820.60-143,650,748.70-77,873,938.20

Finding the Fourth Proportional to 104,024,820.60, 143,650,748.70 and 77,873,938.20

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Solution

The fourth proportional to 104,024,820.60, 143,650,748.70 and 77,873,938.20 is: 107,538,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,024,820.60 : 143,650,748.70 = 77,873,938.20 : x
  2. Step 2: Convert to fraction form
    104,024,820.60/143,650,748.70 = 77,873,938.20/x
  3. Step 3: Cross multiply
    104,024,820.60x = 143,650,748.70 × 77,873,938.20
  4. Step 4: Simplify right side
    104,024,820.60x = 11,186,649,526,647,530
  5. Step 5: Solve for x
    x = 11,186,649,526,647,530/104,024,820.60
  6. Step 6: Final answer
    x = 107,538,272.71

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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.