Home / 76,122,935.72-105,049,749.78-41,315,622.20

Finding the Fourth Proportional to 76,122,935.72, 105,049,749.78 and 41,315,622.20

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Solution

The fourth proportional to 76,122,935.72, 105,049,749.78 and 41,315,622.20 is: 57,015,612.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,122,935.72 : 105,049,749.78 = 41,315,622.20 : x
  2. Step 2: Convert to fraction form
    76,122,935.72/105,049,749.78 = 41,315,622.20/x
  3. Step 3: Cross multiply
    76,122,935.72x = 105,049,749.78 × 41,315,622.20
  4. Step 4: Simplify right side
    76,122,935.72x = 4,340,195,774,115,013.50
  5. Step 5: Solve for x
    x = 4,340,195,774,115,013.50/76,122,935.72
  6. Step 6: Final answer
    x = 57,015,612.09

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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.