Home / 211,336,009.60-317,004,014.40-194,707,811.20

Finding the Fourth Proportional to 211,336,009.60, 317,004,014.40 and 194,707,811.20

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Solution

The fourth proportional to 211,336,009.60, 317,004,014.40 and 194,707,811.20 is: 292,061,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,336,009.60 : 317,004,014.40 = 194,707,811.20 : x
  2. Step 2: Convert to fraction form
    211,336,009.60/317,004,014.40 = 194,707,811.20/x
  3. Step 3: Cross multiply
    211,336,009.60x = 317,004,014.40 × 194,707,811.20
  4. Step 4: Simplify right side
    211,336,009.60x = 61,723,157,785,437,272
  5. Step 5: Solve for x
    x = 61,723,157,785,437,272/211,336,009.60
  6. Step 6: Final answer
    x = 292,061,716.80

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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.