Home / 45,436,576.41-68,130,949.77-31,063,754.57

Finding the Fourth Proportional to 45,436,576.41, 68,130,949.77 and 31,063,754.57

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Solution

The fourth proportional to 45,436,576.41, 68,130,949.77 and 31,063,754.57 is: 46,579,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,436,576.41 : 68,130,949.77 = 31,063,754.57 : x
  2. Step 2: Convert to fraction form
    45,436,576.41/68,130,949.77 = 31,063,754.57/x
  3. Step 3: Cross multiply
    45,436,576.41x = 68,130,949.77 × 31,063,754.57
  4. Step 4: Simplify right side
    45,436,576.41x = 2,116,403,102,258,296.50
  5. Step 5: Solve for x
    x = 2,116,403,102,258,296.50/45,436,576.41
  6. Step 6: Final answer
    x = 46,579,281.92

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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.