Home / 55,723,656.76-76,900,570.26-30,944,258.44

Finding the Fourth Proportional to 55,723,656.76, 76,900,570.26 and 30,944,258.44

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Solution

The fourth proportional to 55,723,656.76, 76,900,570.26 and 30,944,258.44 is: 42,704,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,723,656.76 : 76,900,570.26 = 30,944,258.44 : x
  2. Step 2: Convert to fraction form
    55,723,656.76/76,900,570.26 = 30,944,258.44/x
  3. Step 3: Cross multiply
    55,723,656.76x = 76,900,570.26 × 30,944,258.44
  4. Step 4: Simplify right side
    55,723,656.76x = 2,379,631,120,308,818.50
  5. Step 5: Solve for x
    x = 2,379,631,120,308,818.50/55,723,656.76
  6. Step 6: Final answer
    x = 42,704,145.04

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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.