Home / 213,396,659.64-294,488,803.98-115,611,515.64

Finding the Fourth Proportional to 213,396,659.64, 294,488,803.98 and 115,611,515.64

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Solution

The fourth proportional to 213,396,659.64, 294,488,803.98 and 115,611,515.64 is: 159,544,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,396,659.64 : 294,488,803.98 = 115,611,515.64 : x
  2. Step 2: Convert to fraction form
    213,396,659.64/294,488,803.98 = 115,611,515.64/x
  3. Step 3: Cross multiply
    213,396,659.64x = 294,488,803.98 × 115,611,515.64
  4. Step 4: Simplify right side
    213,396,659.64x = 34,046,296,967,138,668
  5. Step 5: Solve for x
    x = 34,046,296,967,138,668/213,396,659.64
  6. Step 6: Final answer
    x = 159,544,657.47

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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.