Home / 99,675,332.67-137,551,986.50-55,021,331.91

Finding the Fourth Proportional to 99,675,332.67, 137,551,986.50 and 55,021,331.91

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Solution

The fourth proportional to 99,675,332.67, 137,551,986.50 and 55,021,331.91 is: 75,929,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,675,332.67 : 137,551,986.50 = 55,021,331.91 : x
  2. Step 2: Convert to fraction form
    99,675,332.67/137,551,986.50 = 55,021,331.91/x
  3. Step 3: Cross multiply
    99,675,332.67x = 137,551,986.50 × 55,021,331.91
  4. Step 4: Simplify right side
    99,675,332.67x = 7,568,293,503,821,232
  5. Step 5: Solve for x
    x = 7,568,293,503,821,232/99,675,332.67
  6. Step 6: Final answer
    x = 75,929,453.17

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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.