Home / 132,873,220.80-199,123,207.20-105,626,116.80

Finding the Fourth Proportional to 132,873,220.80, 199,123,207.20 and 105,626,116.80

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Solution

The fourth proportional to 132,873,220.80, 199,123,207.20 and 105,626,116.80 is: 158,290,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,873,220.80 : 199,123,207.20 = 105,626,116.80 : x
  2. Step 2: Convert to fraction form
    132,873,220.80/199,123,207.20 = 105,626,116.80/x
  3. Step 3: Cross multiply
    132,873,220.80x = 199,123,207.20 × 105,626,116.80
  4. Step 4: Simplify right side
    132,873,220.80x = 21,032,611,141,297,800
  5. Step 5: Solve for x
    x = 21,032,611,141,297,800/132,873,220.80
  6. Step 6: Final answer
    x = 158,290,820.49

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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.