Home / 211,432,245.60-317,148,368.40-189,261,314.40

Finding the Fourth Proportional to 211,432,245.60, 317,148,368.40 and 189,261,314.40

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Solution

The fourth proportional to 211,432,245.60, 317,148,368.40 and 189,261,314.40 is: 283,891,971.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,432,245.60 : 317,148,368.40 = 189,261,314.40 : x
  2. Step 2: Convert to fraction form
    211,432,245.60/317,148,368.40 = 189,261,314.40/x
  3. Step 3: Cross multiply
    211,432,245.60x = 317,148,368.40 × 189,261,314.40
  4. Step 4: Simplify right side
    211,432,245.60x = 60,023,917,063,199,424
  5. Step 5: Solve for x
    x = 60,023,917,063,199,424/211,432,245.60
  6. Step 6: Final answer
    x = 283,891,971.60

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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.