Home / 136,517,042.40-204,775,563.60-100,237,336.80

Finding the Fourth Proportional to 136,517,042.40, 204,775,563.60 and 100,237,336.80

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Solution

The fourth proportional to 136,517,042.40, 204,775,563.60 and 100,237,336.80 is: 150,356,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,517,042.40 : 204,775,563.60 = 100,237,336.80 : x
  2. Step 2: Convert to fraction form
    136,517,042.40/204,775,563.60 = 100,237,336.80/x
  3. Step 3: Cross multiply
    136,517,042.40x = 204,775,563.60 × 100,237,336.80
  4. Step 4: Simplify right side
    136,517,042.40x = 20,526,157,136,983,020
  5. Step 5: Solve for x
    x = 20,526,157,136,983,020/136,517,042.40
  6. Step 6: Final answer
    x = 150,356,005.20

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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.