Home / 50,291,013.66-75,772,576.82-45,438,959.76

Finding the Fourth Proportional to 50,291,013.66, 75,772,576.82 and 45,438,959.76

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Solution

The fourth proportional to 50,291,013.66, 75,772,576.82 and 45,438,959.76 is: 68,462,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,291,013.66 : 75,772,576.82 = 45,438,959.76 : x
  2. Step 2: Convert to fraction form
    50,291,013.66/75,772,576.82 = 45,438,959.76/x
  3. Step 3: Cross multiply
    50,291,013.66x = 75,772,576.82 × 45,438,959.76
  4. Step 4: Simplify right side
    50,291,013.66x = 3,443,027,068,808,293.50
  5. Step 5: Solve for x
    x = 3,443,027,068,808,293.50/50,291,013.66
  6. Step 6: Final answer
    x = 68,462,073.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.