Home / 118,810,942.80-163,975,911.42-65,899,348.44

Finding the Fourth Proportional to 118,810,942.80, 163,975,911.42 and 65,899,348.44

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Solution

The fourth proportional to 118,810,942.80, 163,975,911.42 and 65,899,348.44 is: 90,950,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,810,942.80 : 163,975,911.42 = 65,899,348.44 : x
  2. Step 2: Convert to fraction form
    118,810,942.80/163,975,911.42 = 65,899,348.44/x
  3. Step 3: Cross multiply
    118,810,942.80x = 163,975,911.42 × 65,899,348.44
  4. Step 4: Simplify right side
    118,810,942.80x = 10,805,905,722,433,154
  5. Step 5: Solve for x
    x = 10,805,905,722,433,154/118,810,942.80
  6. Step 6: Final answer
    x = 90,950,424.83

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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.