Home / 138,219,104.99-190,741,109.15-75,495,189.90

Finding the Fourth Proportional to 138,219,104.99, 190,741,109.15 and 75,495,189.90

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Solution

The fourth proportional to 138,219,104.99, 190,741,109.15 and 75,495,189.90 is: 104,182,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,219,104.99 : 190,741,109.15 = 75,495,189.90 : x
  2. Step 2: Convert to fraction form
    138,219,104.99/190,741,109.15 = 75,495,189.90/x
  3. Step 3: Cross multiply
    138,219,104.99x = 190,741,109.15 × 75,495,189.90
  4. Step 4: Simplify right side
    138,219,104.99x = 14,400,036,257,919,896
  5. Step 5: Solve for x
    x = 14,400,036,257,919,896/138,219,104.99
  6. Step 6: Final answer
    x = 104,182,676.18

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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.