Home / 426,242,187.20-639,083,344.80-167,301,387.20

Finding the Fourth Proportional to 426,242,187.20, 639,083,344.80 and 167,301,387.20

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Solution

The fourth proportional to 426,242,187.20, 639,083,344.80 and 167,301,387.20 is: 250,842,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,242,187.20 : 639,083,344.80 = 167,301,387.20 : x
  2. Step 2: Convert to fraction form
    426,242,187.20/639,083,344.80 = 167,301,387.20/x
  3. Step 3: Cross multiply
    426,242,187.20x = 639,083,344.80 × 167,301,387.20
  4. Step 4: Simplify right side
    426,242,187.20x = 106,919,530,121,455,888
  5. Step 5: Solve for x
    x = 106,919,530,121,455,888/426,242,187.20
  6. Step 6: Final answer
    x = 250,842,205.05

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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.