Home / 275,388,785.96-380,032,959.80-149,939,543.00

Finding the Fourth Proportional to 275,388,785.96, 380,032,959.80 and 149,939,543.00

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Solution

The fourth proportional to 275,388,785.96, 380,032,959.80 and 149,939,543.00 is: 206,914,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,388,785.96 : 380,032,959.80 = 149,939,543.00 : x
  2. Step 2: Convert to fraction form
    275,388,785.96/380,032,959.80 = 149,939,543.00/x
  3. Step 3: Cross multiply
    275,388,785.96x = 380,032,959.80 × 149,939,543.00
  4. Step 4: Simplify right side
    275,388,785.96x = 56,981,968,314,699,512
  5. Step 5: Solve for x
    x = 56,981,968,314,699,512/275,388,785.96
  6. Step 6: Final answer
    x = 206,914,628.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.