Home / 163,680,725,543.33-225,876,997,359.48-91,423,844,882.78

Finding the Fourth Proportional to 163,680,725,543.33, 225,876,997,359.48 and 91,423,844,882.78

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Solution

The fourth proportional to 163,680,725,543.33, 225,876,997,359.48 and 91,423,844,882.78 is: 126,163,563,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,680,725,543.33 : 225,876,997,359.48 = 91,423,844,882.78 : x
  2. Step 2: Convert to fraction form
    163,680,725,543.33/225,876,997,359.48 = 91,423,844,882.78/x
  3. Step 3: Cross multiply
    163,680,725,543.33x = 225,876,997,359.48 × 91,423,844,882.78
  4. Step 4: Simplify right side
    163,680,725,543.33x = 20,650,543,569,181,209,526,272
  5. Step 5: Solve for x
    x = 20,650,543,569,181,209,526,272/163,680,725,543.33
  6. Step 6: Final answer
    x = 126,163,563,245.66

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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.