Home / 68,949,559.16-103,464,576.84-38,269,885.76

Finding the Fourth Proportional to 68,949,559.16, 103,464,576.84 and 38,269,885.76

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Solution

The fourth proportional to 68,949,559.16, 103,464,576.84 and 38,269,885.76 is: 57,427,162.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949,559.16 : 103,464,576.84 = 38,269,885.76 : x
  2. Step 2: Convert to fraction form
    68,949,559.16/103,464,576.84 = 38,269,885.76/x
  3. Step 3: Cross multiply
    68,949,559.16x = 103,464,576.84 × 38,269,885.76
  4. Step 4: Simplify right side
    68,949,559.16x = 3,959,577,535,873,541.50
  5. Step 5: Solve for x
    x = 3,959,577,535,873,541.50/68,949,559.16
  6. Step 6: Final answer
    x = 57,427,162.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.