Home / 117,222,504.40-161,755,532.04-65,010,630.16

Finding the Fourth Proportional to 117,222,504.40, 161,755,532.04 and 65,010,630.16

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Solution

The fourth proportional to 117,222,504.40, 161,755,532.04 and 65,010,630.16 is: 89,708,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,222,504.40 : 161,755,532.04 = 65,010,630.16 : x
  2. Step 2: Convert to fraction form
    117,222,504.40/161,755,532.04 = 65,010,630.16/x
  3. Step 3: Cross multiply
    117,222,504.40x = 161,755,532.04 × 65,010,630.16
  4. Step 4: Simplify right side
    117,222,504.40x = 10,515,829,069,786,470
  5. Step 5: Solve for x
    x = 10,515,829,069,786,470/117,222,504.40
  6. Step 6: Final answer
    x = 89,708,278.49

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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.