Home / 154,245,452.18-212,858,700.90-88,167,369.24

Finding the Fourth Proportional to 154,245,452.18, 212,858,700.90 and 88,167,369.24

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Solution

The fourth proportional to 154,245,452.18, 212,858,700.90 and 88,167,369.24 is: 121,670,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,245,452.18 : 212,858,700.90 = 88,167,369.24 : x
  2. Step 2: Convert to fraction form
    154,245,452.18/212,858,700.90 = 88,167,369.24/x
  3. Step 3: Cross multiply
    154,245,452.18x = 212,858,700.90 × 88,167,369.24
  4. Step 4: Simplify right side
    154,245,452.18x = 18,767,191,677,866,392
  5. Step 5: Solve for x
    x = 18,767,191,677,866,392/154,245,452.18
  6. Step 6: Final answer
    x = 121,670,956.34

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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.