Home / 153,107,896.80-229,661,845.20-139,715,583.60

Finding the Fourth Proportional to 153,107,896.80, 229,661,845.20 and 139,715,583.60

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Solution

The fourth proportional to 153,107,896.80, 229,661,845.20 and 139,715,583.60 is: 209,573,375.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,107,896.80 : 229,661,845.20 = 139,715,583.60 : x
  2. Step 2: Convert to fraction form
    153,107,896.80/229,661,845.20 = 139,715,583.60/x
  3. Step 3: Cross multiply
    153,107,896.80x = 229,661,845.20 × 139,715,583.60
  4. Step 4: Simplify right side
    153,107,896.80x = 32,087,338,732,770,856
  5. Step 5: Solve for x
    x = 32,087,338,732,770,856/153,107,896.80
  6. Step 6: Final answer
    x = 209,573,375.40

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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.