Home / 169,478,722.20-253,877,788.26-143,459,604.12

Finding the Fourth Proportional to 169,478,722.20, 253,877,788.26 and 143,459,604.12

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Solution

The fourth proportional to 169,478,722.20, 253,877,788.26 and 143,459,604.12 is: 214,901,354.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,478,722.20 : 253,877,788.26 = 143,459,604.12 : x
  2. Step 2: Convert to fraction form
    169,478,722.20/253,877,788.26 = 143,459,604.12/x
  3. Step 3: Cross multiply
    169,478,722.20x = 253,877,788.26 × 143,459,604.12
  4. Step 4: Simplify right side
    169,478,722.20x = 36,421,206,998,640,784
  5. Step 5: Solve for x
    x = 36,421,206,998,640,784/169,478,722.20
  6. Step 6: Final answer
    x = 214,901,354.73

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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.