Home / 171,521,876,789.70-237,039,802,905.33-140,573,347,865.49

Finding the Fourth Proportional to 171,521,876,789.70, 237,039,802,905.33 and 140,573,347,865.49

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Solution

The fourth proportional to 171,521,876,789.70, 237,039,802,905.33 and 140,573,347,865.49 is: 194,269,554,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,521,876,789.70 : 237,039,802,905.33 = 140,573,347,865.49 : x
  2. Step 2: Convert to fraction form
    171,521,876,789.70/237,039,802,905.33 = 140,573,347,865.49/x
  3. Step 3: Cross multiply
    171,521,876,789.70x = 237,039,802,905.33 × 140,573,347,865.49
  4. Step 4: Simplify right side
    171,521,876,789.70x = 33,321,478,671,778,139,078,656
  5. Step 5: Solve for x
    x = 33,321,478,671,778,139,078,656/171,521,876,789.70
  6. Step 6: Final answer
    x = 194,269,554,971.31

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1.5x scale

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.