Home / 121,418,524.58-167,558,065.29-65,663,943.77

Finding the Fourth Proportional to 121,418,524.58, 167,558,065.29 and 65,663,943.77

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Solution

The fourth proportional to 121,418,524.58, 167,558,065.29 and 65,663,943.77 is: 90,616,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,418,524.58 : 167,558,065.29 = 65,663,943.77 : x
  2. Step 2: Convert to fraction form
    121,418,524.58/167,558,065.29 = 65,663,943.77/x
  3. Step 3: Cross multiply
    121,418,524.58x = 167,558,065.29 × 65,663,943.77
  4. Step 4: Simplify right side
    121,418,524.58x = 11,002,523,377,084,230
  5. Step 5: Solve for x
    x = 11,002,523,377,084,230/121,418,524.58
  6. Step 6: Final answer
    x = 90,616,513.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.