Home / 91,652,181.66-126,480,161.61-49,836,208.14

Finding the Fourth Proportional to 91,652,181.66, 126,480,161.61 and 49,836,208.14

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Solution

The fourth proportional to 91,652,181.66, 126,480,161.61 and 49,836,208.14 is: 68,774,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,652,181.66 : 126,480,161.61 = 49,836,208.14 : x
  2. Step 2: Convert to fraction form
    91,652,181.66/126,480,161.61 = 49,836,208.14/x
  3. Step 3: Cross multiply
    91,652,181.66x = 126,480,161.61 × 49,836,208.14
  4. Step 4: Simplify right side
    91,652,181.66x = 6,303,291,659,576,798
  5. Step 5: Solve for x
    x = 6,303,291,659,576,798/91,652,181.66
  6. Step 6: Final answer
    x = 68,774,049.30

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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.