Home / 212,827,981.56-319,088,757.90-130,777,336.14

Finding the Fourth Proportional to 212,827,981.56, 319,088,757.90 and 130,777,336.14

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Solution

The fourth proportional to 212,827,981.56, 319,088,757.90 and 130,777,336.14 is: 196,071,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,827,981.56 : 319,088,757.90 = 130,777,336.14 : x
  2. Step 2: Convert to fraction form
    212,827,981.56/319,088,757.90 = 130,777,336.14/x
  3. Step 3: Cross multiply
    212,827,981.56x = 319,088,757.90 × 130,777,336.14
  4. Step 4: Simplify right side
    212,827,981.56x = 41,729,577,750,383,376
  5. Step 5: Solve for x
    x = 41,729,577,750,383,376/212,827,981.56
  6. Step 6: Final answer
    x = 196,071,857.87

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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.