Home / 80,780,185.04-121,228,738.68-31,603,303.76

Finding the Fourth Proportional to 80,780,185.04, 121,228,738.68 and 31,603,303.76

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Solution

The fourth proportional to 80,780,185.04, 121,228,738.68 and 31,603,303.76 is: 47,427,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,780,185.04 : 121,228,738.68 = 31,603,303.76 : x
  2. Step 2: Convert to fraction form
    80,780,185.04/121,228,738.68 = 31,603,303.76/x
  3. Step 3: Cross multiply
    80,780,185.04x = 121,228,738.68 × 31,603,303.76
  4. Step 4: Simplify right side
    80,780,185.04x = 3,831,228,652,945,702
  5. Step 5: Solve for x
    x = 3,831,228,652,945,702/80,780,185.04
  6. Step 6: Final answer
    x = 47,427,827.15

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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.