Home / 172,930,530.22-238,620,563.28-103,301,130.40

Finding the Fourth Proportional to 172,930,530.22, 238,620,563.28 and 103,301,130.40

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Solution

The fourth proportional to 172,930,530.22, 238,620,563.28 and 103,301,130.40 is: 142,541,481.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,930,530.22 : 238,620,563.28 = 103,301,130.40 : x
  2. Step 2: Convert to fraction form
    172,930,530.22/238,620,563.28 = 103,301,130.40/x
  3. Step 3: Cross multiply
    172,930,530.22x = 238,620,563.28 × 103,301,130.40
  4. Step 4: Simplify right side
    172,930,530.22x = 24,649,773,923,508,732
  5. Step 5: Solve for x
    x = 24,649,773,923,508,732/172,930,530.22
  6. Step 6: Final answer
    x = 142,541,481.21

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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.