Home / 115,101,203.40-172,651,805.10-99,648,736.20

Finding the Fourth Proportional to 115,101,203.40, 172,651,805.10 and 99,648,736.20

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Solution

The fourth proportional to 115,101,203.40, 172,651,805.10 and 99,648,736.20 is: 149,473,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,101,203.40 : 172,651,805.10 = 99,648,736.20 : x
  2. Step 2: Convert to fraction form
    115,101,203.40/172,651,805.10 = 99,648,736.20/x
  3. Step 3: Cross multiply
    115,101,203.40x = 172,651,805.10 × 99,648,736.20
  4. Step 4: Simplify right side
    115,101,203.40x = 17,204,534,180,863,714
  5. Step 5: Solve for x
    x = 17,204,534,180,863,714/115,101,203.40
  6. Step 6: Final answer
    x = 149,473,104.30

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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.