Home / 212,652,422.20-319,049,492.10-189,793,898.20

Finding the Fourth Proportional to 212,652,422.20, 319,049,492.10 and 189,793,898.20

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Solution

The fourth proportional to 212,652,422.20, 319,049,492.10 and 189,793,898.20 is: 284,754,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,652,422.20 : 319,049,492.10 = 189,793,898.20 : x
  2. Step 2: Convert to fraction form
    212,652,422.20/319,049,492.10 = 189,793,898.20/x
  3. Step 3: Cross multiply
    212,652,422.20x = 319,049,492.10 × 189,793,898.20
  4. Step 4: Simplify right side
    212,652,422.20x = 60,553,646,824,389,104
  5. Step 5: Solve for x
    x = 60,553,646,824,389,104/212,652,422.20
  6. Step 6: Final answer
    x = 284,754,089.32

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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.