Home / 91,191,953.40-125,843,951.34-49,375,299.48

Finding the Fourth Proportional to 91,191,953.40, 125,843,951.34 and 49,375,299.48

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Solution

The fourth proportional to 91,191,953.40, 125,843,951.34 and 49,375,299.48 is: 68,137,401.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,191,953.40 : 125,843,951.34 = 49,375,299.48 : x
  2. Step 2: Convert to fraction form
    91,191,953.40/125,843,951.34 = 49,375,299.48/x
  3. Step 3: Cross multiply
    91,191,953.40x = 125,843,951.34 × 49,375,299.48
  4. Step 4: Simplify right side
    91,191,953.40x = 6,213,582,785,159,047
  5. Step 5: Solve for x
    x = 6,213,582,785,159,047/91,191,953.40
  6. Step 6: Final answer
    x = 68,137,401.97

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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.