Home / 194,157,054.10-291,235,581.15-121,597,642.90

Finding the Fourth Proportional to 194,157,054.10, 291,235,581.15 and 121,597,642.90

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Solution

The fourth proportional to 194,157,054.10, 291,235,581.15 and 121,597,642.90 is: 182,396,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,157,054.10 : 291,235,581.15 = 121,597,642.90 : x
  2. Step 2: Convert to fraction form
    194,157,054.10/291,235,581.15 = 121,597,642.90/x
  3. Step 3: Cross multiply
    194,157,054.10x = 291,235,581.15 × 121,597,642.90
  4. Step 4: Simplify right side
    194,157,054.10x = 35,413,560,196,451,672
  5. Step 5: Solve for x
    x = 35,413,560,196,451,672/194,157,054.10
  6. Step 6: Final answer
    x = 182,396,464.35

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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.