Home / 99,790,108.50-137,708,884.16-55,737,750.22

Finding the Fourth Proportional to 99,790,108.50, 137,708,884.16 and 55,737,750.22

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Solution

The fourth proportional to 99,790,108.50, 137,708,884.16 and 55,737,750.22 is: 76,917,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,790,108.50 : 137,708,884.16 = 55,737,750.22 : x
  2. Step 2: Convert to fraction form
    99,790,108.50/137,708,884.16 = 55,737,750.22/x
  3. Step 3: Cross multiply
    99,790,108.50x = 137,708,884.16 × 55,737,750.22
  4. Step 4: Simplify right side
    99,790,108.50x = 7,675,583,388,437,291
  5. Step 5: Solve for x
    x = 7,675,583,388,437,291/99,790,108.50
  6. Step 6: Final answer
    x = 76,917,276.71

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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.