Home / 79,863,426.60-119,844,733.76-51,130,183.20

Finding the Fourth Proportional to 79,863,426.60, 119,844,733.76 and 51,130,183.20

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Solution

The fourth proportional to 79,863,426.60, 119,844,733.76 and 51,130,183.20 is: 76,727,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863,426.60 : 119,844,733.76 = 51,130,183.20 : x
  2. Step 2: Convert to fraction form
    79,863,426.60/119,844,733.76 = 51,130,183.20/x
  3. Step 3: Cross multiply
    79,863,426.60x = 119,844,733.76 × 51,130,183.20
  4. Step 4: Simplify right side
    79,863,426.60x = 6,127,683,192,704,025
  5. Step 5: Solve for x
    x = 6,127,683,192,704,025/79,863,426.60
  6. Step 6: Final answer
    x = 76,727,025.79

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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.