Home / 56,080,131.66-77,390,688.80-30,962,289.54

Finding the Fourth Proportional to 56,080,131.66, 77,390,688.80 and 30,962,289.54

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Solution

The fourth proportional to 56,080,131.66, 77,390,688.80 and 30,962,289.54 is: 42,728,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,080,131.66 : 77,390,688.80 = 30,962,289.54 : x
  2. Step 2: Convert to fraction form
    56,080,131.66/77,390,688.80 = 30,962,289.54/x
  3. Step 3: Cross multiply
    56,080,131.66x = 77,390,688.80 × 30,962,289.54
  4. Step 4: Simplify right side
    56,080,131.66x = 2,396,192,914,325,635
  5. Step 5: Solve for x
    x = 2,396,192,914,325,635/56,080,131.66
  6. Step 6: Final answer
    x = 42,728,018.70

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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.