Home / 115,250,040.68-172,991,925.65-102,203,188.76

Finding the Fourth Proportional to 115,250,040.68, 172,991,925.65 and 102,203,188.76

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Solution

The fourth proportional to 115,250,040.68, 172,991,925.65 and 102,203,188.76 is: 153,408,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250,040.68 : 172,991,925.65 = 102,203,188.76 : x
  2. Step 2: Convert to fraction form
    115,250,040.68/172,991,925.65 = 102,203,188.76/x
  3. Step 3: Cross multiply
    115,250,040.68x = 172,991,925.65 × 102,203,188.76
  4. Step 4: Simplify right side
    115,250,040.68x = 17,680,326,431,850,824
  5. Step 5: Solve for x
    x = 17,680,326,431,850,824/115,250,040.68
  6. Step 6: Final answer
    x = 153,408,418.15

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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.