Home / 137,236,079.21-205,856,579.20-49,859,650.06

Finding the Fourth Proportional to 137,236,079.21, 205,856,579.20 and 49,859,650.06

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Solution

The fourth proportional to 137,236,079.21, 205,856,579.20 and 49,859,650.06 is: 74,790,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,236,079.21 : 205,856,579.20 = 49,859,650.06 : x
  2. Step 2: Convert to fraction form
    137,236,079.21/205,856,579.20 = 49,859,650.06/x
  3. Step 3: Cross multiply
    137,236,079.21x = 205,856,579.20 × 49,859,650.06
  4. Step 4: Simplify right side
    137,236,079.21x = 10,263,937,002,073,064
  5. Step 5: Solve for x
    x = 10,263,937,002,073,064/137,236,079.21
  6. Step 6: Final answer
    x = 74,790,368.98

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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.