Home / 187,084,999.21-280,622,774.88-50,766,839.77

Finding the Fourth Proportional to 187,084,999.21, 280,622,774.88 and 50,766,839.77

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Solution

The fourth proportional to 187,084,999.21, 280,622,774.88 and 50,766,839.77 is: 76,148,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,084,999.21 : 280,622,774.88 = 50,766,839.77 : x
  2. Step 2: Convert to fraction form
    187,084,999.21/280,622,774.88 = 50,766,839.77/x
  3. Step 3: Cross multiply
    187,084,999.21x = 280,622,774.88 × 50,766,839.77
  4. Step 4: Simplify right side
    187,084,999.21x = 14,246,331,448,145,742
  5. Step 5: Solve for x
    x = 14,246,331,448,145,742/187,084,999.21
  6. Step 6: Final answer
    x = 76,148,977.78

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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.