Home / 76,415,997.40-114,623,996.10-49,206,218.20

Finding the Fourth Proportional to 76,415,997.40, 114,623,996.10 and 49,206,218.20

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Solution

The fourth proportional to 76,415,997.40, 114,623,996.10 and 49,206,218.20 is: 73,809,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,415,997.40 : 114,623,996.10 = 49,206,218.20 : x
  2. Step 2: Convert to fraction form
    76,415,997.40/114,623,996.10 = 49,206,218.20/x
  3. Step 3: Cross multiply
    76,415,997.40x = 114,623,996.10 × 49,206,218.20
  4. Step 4: Simplify right side
    76,415,997.40x = 5,640,213,363,052,549
  5. Step 5: Solve for x
    x = 5,640,213,363,052,549/76,415,997.40
  6. Step 6: Final answer
    x = 73,809,327.30

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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.