Home / 270,920,286.28-373,876,945.86-147,168,045.64

Finding the Fourth Proportional to 270,920,286.28, 373,876,945.86 and 147,168,045.64

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Solution

The fourth proportional to 270,920,286.28, 373,876,945.86 and 147,168,045.64 is: 203,095,678.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,920,286.28 : 373,876,945.86 = 147,168,045.64 : x
  2. Step 2: Convert to fraction form
    270,920,286.28/373,876,945.86 = 147,168,045.64/x
  3. Step 3: Cross multiply
    270,920,286.28x = 373,876,945.86 × 147,168,045.64
  4. Step 4: Simplify right side
    270,920,286.28x = 55,022,739,432,068,288
  5. Step 5: Solve for x
    x = 55,022,739,432,068,288/270,920,286.28
  6. Step 6: Final answer
    x = 203,095,678.76

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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.