Home / 142,164,704.25-213,255,033.39-39,920,770.26

Finding the Fourth Proportional to 142,164,704.25, 213,255,033.39 and 39,920,770.26

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Solution

The fourth proportional to 142,164,704.25, 213,255,033.39 and 39,920,770.26 is: 59,883,395.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,164,704.25 : 213,255,033.39 = 39,920,770.26 : x
  2. Step 2: Convert to fraction form
    142,164,704.25/213,255,033.39 = 39,920,770.26/x
  3. Step 3: Cross multiply
    142,164,704.25x = 213,255,033.39 × 39,920,770.26
  4. Step 4: Simplify right side
    142,164,704.25x = 8,513,305,194,750,818
  5. Step 5: Solve for x
    x = 8,513,305,194,750,818/142,164,704.25
  6. Step 6: Final answer
    x = 59,883,395.39

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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.