Home / 101,495,388.26-140,063,774.04-55,085,642.78

Finding the Fourth Proportional to 101,495,388.26, 140,063,774.04 and 55,085,642.78

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Solution

The fourth proportional to 101,495,388.26, 140,063,774.04 and 55,085,642.78 is: 76,018,262.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,495,388.26 : 140,063,774.04 = 55,085,642.78 : x
  2. Step 2: Convert to fraction form
    101,495,388.26/140,063,774.04 = 55,085,642.78/x
  3. Step 3: Cross multiply
    101,495,388.26x = 140,063,774.04 × 55,085,642.78
  4. Step 4: Simplify right side
    101,495,388.26x = 7,715,503,023,186,077
  5. Step 5: Solve for x
    x = 7,715,503,023,186,077/101,495,388.26
  6. Step 6: Final answer
    x = 76,018,262.07

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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.