Home / 154,971,952.08-213,861,286.29-85,357,336.38

Finding the Fourth Proportional to 154,971,952.08, 213,861,286.29 and 85,357,336.38

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Solution

The fourth proportional to 154,971,952.08, 213,861,286.29 and 85,357,336.38 is: 117,793,120.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,971,952.08 : 213,861,286.29 = 85,357,336.38 : x
  2. Step 2: Convert to fraction form
    154,971,952.08/213,861,286.29 = 85,357,336.38/x
  3. Step 3: Cross multiply
    154,971,952.08x = 213,861,286.29 × 85,357,336.38
  4. Step 4: Simplify right side
    154,971,952.08x = 18,254,629,752,033,120
  5. Step 5: Solve for x
    x = 18,254,629,752,033,120/154,971,952.08
  6. Step 6: Final answer
    x = 117,793,120.03

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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.