Home / 85,440,832.96-117,905,913.56-50,158,070.71

Finding the Fourth Proportional to 85,440,832.96, 117,905,913.56 and 50,158,070.71

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Solution

The fourth proportional to 85,440,832.96, 117,905,913.56 and 50,158,070.71 is: 69,216,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,440,832.96 : 117,905,913.56 = 50,158,070.71 : x
  2. Step 2: Convert to fraction form
    85,440,832.96/117,905,913.56 = 50,158,070.71/x
  3. Step 3: Cross multiply
    85,440,832.96x = 117,905,913.56 × 50,158,070.71
  4. Step 4: Simplify right side
    85,440,832.96x = 5,913,933,149,469,628
  5. Step 5: Solve for x
    x = 5,913,933,149,469,628/85,440,832.96
  6. Step 6: Final answer
    x = 69,216,707.57

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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.