Home / 55,723,655.76-76,900,568.88-30,944,257.44

Finding the Fourth Proportional to 55,723,655.76, 76,900,568.88 and 30,944,257.44

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Solution

The fourth proportional to 55,723,655.76, 76,900,568.88 and 30,944,257.44 is: 42,704,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723,655.76 : 76,900,568.88 = 30,944,257.44 : x
  2. Step 2: Convert to fraction form
    55,723,655.76/76,900,568.88 = 30,944,257.44/x
  3. Step 3: Cross multiply
    55,723,655.76x = 76,900,568.88 × 30,944,257.44
  4. Step 4: Simplify right side
    55,723,655.76x = 2,379,631,000,705,172.50
  5. Step 5: Solve for x
    x = 2,379,631,000,705,172.50/55,723,655.76
  6. Step 6: Final answer
    x = 42,704,143.66

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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.