Home / 221,329,810.60-331,994,715.90-144,888,620.20

Finding the Fourth Proportional to 221,329,810.60, 331,994,715.90 and 144,888,620.20

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Solution

The fourth proportional to 221,329,810.60, 331,994,715.90 and 144,888,620.20 is: 217,332,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,329,810.60 : 331,994,715.90 = 144,888,620.20 : x
  2. Step 2: Convert to fraction form
    221,329,810.60/331,994,715.90 = 144,888,620.20/x
  3. Step 3: Cross multiply
    221,329,810.60x = 331,994,715.90 × 144,888,620.20
  4. Step 4: Simplify right side
    221,329,810.60x = 48,102,256,300,441,992
  5. Step 5: Solve for x
    x = 48,102,256,300,441,992/221,329,810.60
  6. Step 6: Final answer
    x = 217,332,930.30

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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.