Home / 76,223,489.69-114,335,008.27-21,636,121.41

Finding the Fourth Proportional to 76,223,489.69, 114,335,008.27 and 21,636,121.41

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Solution

The fourth proportional to 76,223,489.69, 114,335,008.27 and 21,636,121.41 is: 32,454,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,223,489.69 : 114,335,008.27 = 21,636,121.41 : x
  2. Step 2: Convert to fraction form
    76,223,489.69/114,335,008.27 = 21,636,121.41/x
  3. Step 3: Cross multiply
    76,223,489.69x = 114,335,008.27 × 21,636,121.41
  4. Step 4: Simplify right side
    76,223,489.69x = 2,473,766,120,288,983.50
  5. Step 5: Solve for x
    x = 2,473,766,120,288,983.50/76,223,489.69
  6. Step 6: Final answer
    x = 32,454,117.89

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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.