Home / 48,731,857.80-67,280,540.94-31,358,395.42

Finding the Fourth Proportional to 48,731,857.80, 67,280,540.94 and 31,358,395.42

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Solution

The fourth proportional to 48,731,857.80, 67,280,540.94 and 31,358,395.42 is: 43,294,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,857.80 : 67,280,540.94 = 31,358,395.42 : x
  2. Step 2: Convert to fraction form
    48,731,857.80/67,280,540.94 = 31,358,395.42/x
  3. Step 3: Cross multiply
    48,731,857.80x = 67,280,540.94 × 31,358,395.42
  4. Step 4: Simplify right side
    48,731,857.80x = 2,109,809,806,868,018.50
  5. Step 5: Solve for x
    x = 2,109,809,806,868,018.50/48,731,857.80
  6. Step 6: Final answer
    x = 43,294,261.74

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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.