Home / 91,376,299.44-126,078,894.77-54,187,682.13

Finding the Fourth Proportional to 91,376,299.44, 126,078,894.77 and 54,187,682.13

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Solution

The fourth proportional to 91,376,299.44, 126,078,894.77 and 54,187,682.13 is: 74,766,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,376,299.44 : 126,078,894.77 = 54,187,682.13 : x
  2. Step 2: Convert to fraction form
    91,376,299.44/126,078,894.77 = 54,187,682.13/x
  3. Step 3: Cross multiply
    91,376,299.44x = 126,078,894.77 × 54,187,682.13
  4. Step 4: Simplify right side
    91,376,299.44x = 6,831,923,072,827,541
  5. Step 5: Solve for x
    x = 6,831,923,072,827,541/91,376,299.44
  6. Step 6: Final answer
    x = 74,766,904.71

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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.