Home / 82,236,023.43-113,485,845.53-45,060,396.87

Finding the Fourth Proportional to 82,236,023.43, 113,485,845.53 and 45,060,396.87

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Solution

The fourth proportional to 82,236,023.43, 113,485,845.53 and 45,060,396.87 is: 62,183,420.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,236,023.43 : 113,485,845.53 = 45,060,396.87 : x
  2. Step 2: Convert to fraction form
    82,236,023.43/113,485,845.53 = 45,060,396.87/x
  3. Step 3: Cross multiply
    82,236,023.43x = 113,485,845.53 × 45,060,396.87
  4. Step 4: Simplify right side
    82,236,023.43x = 5,113,717,238,484,013
  5. Step 5: Solve for x
    x = 5,113,717,238,484,013/82,236,023.43
  6. Step 6: Final answer
    x = 62,183,420.66

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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.