Home / 172,930,534.22-238,620,568.80-103,301,134.40

Finding the Fourth Proportional to 172,930,534.22, 238,620,568.80 and 103,301,134.40

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Solution

The fourth proportional to 172,930,534.22, 238,620,568.80 and 103,301,134.40 is: 142,541,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,930,534.22 : 238,620,568.80 = 103,301,134.40 : x
  2. Step 2: Convert to fraction form
    172,930,534.22/238,620,568.80 = 103,301,134.40/x
  3. Step 3: Cross multiply
    172,930,534.22x = 238,620,568.80 × 103,301,134.40
  4. Step 4: Simplify right side
    172,930,534.22x = 24,649,775,448,213,248
  5. Step 5: Solve for x
    x = 24,649,775,448,213,248/172,930,534.22
  6. Step 6: Final answer
    x = 142,541,486.73

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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.