Home / 259,529,429.44-389,244,531.36-77,776,607.44

Finding the Fourth Proportional to 259,529,429.44, 389,244,531.36 and 77,776,607.44

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Solution

The fourth proportional to 259,529,429.44, 389,244,531.36 and 77,776,607.44 is: 116,650,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,529,429.44 : 389,244,531.36 = 77,776,607.44 : x
  2. Step 2: Convert to fraction form
    259,529,429.44/389,244,531.36 = 77,776,607.44/x
  3. Step 3: Cross multiply
    259,529,429.44x = 389,244,531.36 × 77,776,607.44
  4. Step 4: Simplify right side
    259,529,429.44x = 30,274,119,113,753,488
  5. Step 5: Solve for x
    x = 30,274,119,113,753,488/259,529,429.44
  6. Step 6: Final answer
    x = 116,650,043.04

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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.