Home / 55,143,430.20-82,715,145.30-30,956,959.80

Finding the Fourth Proportional to 55,143,430.20, 82,715,145.30 and 30,956,959.80

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Solution

The fourth proportional to 55,143,430.20, 82,715,145.30 and 30,956,959.80 is: 46,435,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,430.20 : 82,715,145.30 = 30,956,959.80 : x
  2. Step 2: Convert to fraction form
    55,143,430.20/82,715,145.30 = 30,956,959.80/x
  3. Step 3: Cross multiply
    55,143,430.20x = 82,715,145.30 × 30,956,959.80
  4. Step 4: Simplify right side
    55,143,430.20x = 2,560,609,427,903,259
  5. Step 5: Solve for x
    x = 2,560,609,427,903,259/55,143,430.20
  6. Step 6: Final answer
    x = 46,435,439.70

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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.