Home / 222,870,531.80-307,561,333.02-125,085,387.80

Finding the Fourth Proportional to 222,870,531.80, 307,561,333.02 and 125,085,387.80

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Solution

The fourth proportional to 222,870,531.80, 307,561,333.02 and 125,085,387.80 is: 172,617,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,870,531.80 : 307,561,333.02 = 125,085,387.80 : x
  2. Step 2: Convert to fraction form
    222,870,531.80/307,561,333.02 = 125,085,387.80/x
  3. Step 3: Cross multiply
    222,870,531.80x = 307,561,333.02 × 125,085,387.80
  4. Step 4: Simplify right side
    222,870,531.80x = 38,471,428,613,091,640
  5. Step 5: Solve for x
    x = 38,471,428,613,091,640/222,870,531.80
  6. Step 6: Final answer
    x = 172,617,834.68

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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.