Home / 76,686,099.58-115,086,278.67-56,268,578.62

Finding the Fourth Proportional to 76,686,099.58, 115,086,278.67 and 56,268,578.62

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Solution

The fourth proportional to 76,686,099.58, 115,086,278.67 and 56,268,578.62 is: 84,444,786.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,686,099.58 : 115,086,278.67 = 56,268,578.62 : x
  2. Step 2: Convert to fraction form
    76,686,099.58/115,086,278.67 = 56,268,578.62/x
  3. Step 3: Cross multiply
    76,686,099.58x = 115,086,278.67 × 56,268,578.62
  4. Step 4: Simplify right side
    76,686,099.58x = 6,475,741,319,426,124
  5. Step 5: Solve for x
    x = 6,475,741,319,426,124/76,686,099.58
  6. Step 6: Final answer
    x = 84,444,786.67

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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.