Home / 73,777,941.40-110,489,765.10-39,623,999.80

Finding the Fourth Proportional to 73,777,941.40, 110,489,765.10 and 39,623,999.80

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Solution

The fourth proportional to 73,777,941.40, 110,489,765.10 and 39,623,999.80 is: 59,340,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,777,941.40 : 110,489,765.10 = 39,623,999.80 : x
  2. Step 2: Convert to fraction form
    73,777,941.40/110,489,765.10 = 39,623,999.80/x
  3. Step 3: Cross multiply
    73,777,941.40x = 110,489,765.10 × 39,623,999.80
  4. Step 4: Simplify right side
    73,777,941.40x = 4,378,046,430,224,446.50
  5. Step 5: Solve for x
    x = 4,378,046,430,224,446.50/73,777,941.40
  6. Step 6: Final answer
    x = 59,340,859.17

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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.