Home / 67,066,328.52-100,496,814.75-45,125,439.39

Finding the Fourth Proportional to 67,066,328.52, 100,496,814.75 and 45,125,439.39

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Solution

The fourth proportional to 67,066,328.52, 100,496,814.75 and 45,125,439.39 is: 67,619,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,066,328.52 : 100,496,814.75 = 45,125,439.39 : x
  2. Step 2: Convert to fraction form
    67,066,328.52/100,496,814.75 = 45,125,439.39/x
  3. Step 3: Cross multiply
    67,066,328.52x = 100,496,814.75 × 45,125,439.39
  4. Step 4: Simplify right side
    67,066,328.52x = 4,534,962,922,889,183
  5. Step 5: Solve for x
    x = 4,534,962,922,889,183/67,066,328.52
  6. Step 6: Final answer
    x = 67,619,072.39

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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.