Home / 91,631,546.18-126,454,028.13-49,818,424.94

Finding the Fourth Proportional to 91,631,546.18, 126,454,028.13 and 49,818,424.94

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Solution

The fourth proportional to 91,631,546.18, 126,454,028.13 and 49,818,424.94 is: 68,750,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,546.18 : 126,454,028.13 = 49,818,424.94 : x
  2. Step 2: Convert to fraction form
    91,631,546.18/126,454,028.13 = 49,818,424.94/x
  3. Step 3: Cross multiply
    91,631,546.18x = 126,454,028.13 × 49,818,424.94
  4. Step 4: Simplify right side
    91,631,546.18x = 6,299,740,507,873,692
  5. Step 5: Solve for x
    x = 6,299,740,507,873,692/91,631,546.18
  6. Step 6: Final answer
    x = 68,750,782.57

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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.