Home / 209,953,820.30-314,930,730.45-192,097,402.70

Finding the Fourth Proportional to 209,953,820.30, 314,930,730.45 and 192,097,402.70

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Solution

The fourth proportional to 209,953,820.30, 314,930,730.45 and 192,097,402.70 is: 288,146,104.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,820.30 : 314,930,730.45 = 192,097,402.70 : x
  2. Step 2: Convert to fraction form
    209,953,820.30/314,930,730.45 = 192,097,402.70/x
  3. Step 3: Cross multiply
    209,953,820.30x = 314,930,730.45 × 192,097,402.70
  4. Step 4: Simplify right side
    209,953,820.30x = 60,497,375,349,858,800
  5. Step 5: Solve for x
    x = 60,497,375,349,858,800/209,953,820.30
  6. Step 6: Final answer
    x = 288,146,104.05

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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.