Home / 130,080,066.12-195,171,168.02-57,245,755.62

Finding the Fourth Proportional to 130,080,066.12, 195,171,168.02 and 57,245,755.62

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Solution

The fourth proportional to 130,080,066.12, 195,171,168.02 and 57,245,755.62 is: 85,891,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,080,066.12 : 195,171,168.02 = 57,245,755.62 : x
  2. Step 2: Convert to fraction form
    130,080,066.12/195,171,168.02 = 57,245,755.62/x
  3. Step 3: Cross multiply
    130,080,066.12x = 195,171,168.02 × 57,245,755.62
  4. Step 4: Simplify right side
    130,080,066.12x = 11,172,720,989,149,976
  5. Step 5: Solve for x
    x = 11,172,720,989,149,976/130,080,066.12
  6. Step 6: Final answer
    x = 85,891,107.86

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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.