Home / 101,495,376.12-140,063,757.30-55,085,630.64

Finding the Fourth Proportional to 101,495,376.12, 140,063,757.30 and 55,085,630.64

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Solution

The fourth proportional to 101,495,376.12, 140,063,757.30 and 55,085,630.64 is: 76,018,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,376.12 : 140,063,757.30 = 55,085,630.64 : x
  2. Step 2: Convert to fraction form
    101,495,376.12/140,063,757.30 = 55,085,630.64/x
  3. Step 3: Cross multiply
    101,495,376.12x = 140,063,757.30 × 55,085,630.64
  4. Step 4: Simplify right side
    101,495,376.12x = 7,715,500,400,678,404
  5. Step 5: Solve for x
    x = 7,715,500,400,678,404/101,495,376.12
  6. Step 6: Final answer
    x = 76,018,245.32

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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.