Home / 122,387,051.20-183,580,576.80-115,206,692.80

Finding the Fourth Proportional to 122,387,051.20, 183,580,576.80 and 115,206,692.80

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Solution

The fourth proportional to 122,387,051.20, 183,580,576.80 and 115,206,692.80 is: 172,810,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,387,051.20 : 183,580,576.80 = 115,206,692.80 : x
  2. Step 2: Convert to fraction form
    122,387,051.20/183,580,576.80 = 115,206,692.80/x
  3. Step 3: Cross multiply
    122,387,051.20x = 183,580,576.80 × 115,206,692.80
  4. Step 4: Simplify right side
    122,387,051.20x = 21,149,711,115,444,408
  5. Step 5: Solve for x
    x = 21,149,711,115,444,408/122,387,051.20
  6. Step 6: Final answer
    x = 172,810,039.20

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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.