Home / 101,495,375.75-140,063,756.78-55,085,630.27

Finding the Fourth Proportional to 101,495,375.75, 140,063,756.78 and 55,085,630.27

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Solution

The fourth proportional to 101,495,375.75, 140,063,756.78 and 55,085,630.27 is: 76,018,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,375.75 : 140,063,756.78 = 55,085,630.27 : x
  2. Step 2: Convert to fraction form
    101,495,375.75/140,063,756.78 = 55,085,630.27/x
  3. Step 3: Cross multiply
    101,495,375.75x = 140,063,756.78 × 55,085,630.27
  4. Step 4: Simplify right side
    101,495,375.75x = 7,715,500,319,647,681
  5. Step 5: Solve for x
    x = 7,715,500,319,647,681/101,495,375.75
  6. Step 6: Final answer
    x = 76,018,244.80

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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.