Home / 245,085,557.20-367,250,422.20-212,584,987.60

Finding the Fourth Proportional to 245,085,557.20, 367,250,422.20 and 212,584,987.60

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Solution

The fourth proportional to 245,085,557.20, 367,250,422.20 and 212,584,987.60 is: 318,549,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,085,557.20 : 367,250,422.20 = 212,584,987.60 : x
  2. Step 2: Convert to fraction form
    245,085,557.20/367,250,422.20 = 212,584,987.60/x
  3. Step 3: Cross multiply
    245,085,557.20x = 367,250,422.20 × 212,584,987.60
  4. Step 4: Simplify right side
    245,085,557.20x = 78,071,926,449,481,760
  5. Step 5: Solve for x
    x = 78,071,926,449,481,760/245,085,557.20
  6. Step 6: Final answer
    x = 318,549,682.57

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1.5x scale

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.