Home / 121,076,717.70-182,093,373.45-108,640,998.30

Finding the Fourth Proportional to 121,076,717.70, 182,093,373.45 and 108,640,998.30

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Solution

The fourth proportional to 121,076,717.70, 182,093,373.45 and 108,640,998.30 is: 163,390,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,076,717.70 : 182,093,373.45 = 108,640,998.30 : x
  2. Step 2: Convert to fraction form
    121,076,717.70/182,093,373.45 = 108,640,998.30/x
  3. Step 3: Cross multiply
    121,076,717.70x = 182,093,373.45 × 108,640,998.30
  4. Step 4: Simplify right side
    121,076,717.70x = 19,782,805,875,422,712
  5. Step 5: Solve for x
    x = 19,782,805,875,422,712/121,076,717.70
  6. Step 6: Final answer
    x = 163,390,668.75

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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.