Home / 168,242,663.80-251,804,123.70-122,053,223.80

Finding the Fourth Proportional to 168,242,663.80, 251,804,123.70 and 122,053,223.80

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Solution

The fourth proportional to 168,242,663.80, 251,804,123.70 and 122,053,223.80 is: 182,673,671.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,242,663.80 : 251,804,123.70 = 122,053,223.80 : x
  2. Step 2: Convert to fraction form
    168,242,663.80/251,804,123.70 = 122,053,223.80/x
  3. Step 3: Cross multiply
    168,242,663.80x = 251,804,123.70 × 122,053,223.80
  4. Step 4: Simplify right side
    168,242,663.80x = 30,733,505,063,718,980
  5. Step 5: Solve for x
    x = 30,733,505,063,718,980/168,242,663.80
  6. Step 6: Final answer
    x = 182,673,671.29

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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.