Home / 76,716,558.81-115,120,238.11-28,228,462.74

Finding the Fourth Proportional to 76,716,558.81, 115,120,238.11 and 28,228,462.74

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Solution

The fourth proportional to 76,716,558.81, 115,120,238.11 and 28,228,462.74 is: 42,359,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,716,558.81 : 115,120,238.11 = 28,228,462.74 : x
  2. Step 2: Convert to fraction form
    76,716,558.81/115,120,238.11 = 28,228,462.74/x
  3. Step 3: Cross multiply
    76,716,558.81x = 115,120,238.11 × 28,228,462.74
  4. Step 4: Simplify right side
    76,716,558.81x = 3,249,667,352,037,491.50
  5. Step 5: Solve for x
    x = 3,249,667,352,037,491.50/76,716,558.81
  6. Step 6: Final answer
    x = 42,359,399.36

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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.