Home / 221,042,924.40-331,676,186-147,317,011.12

Finding the Fourth Proportional to 221,042,924.40, 331,676,186 and 147,317,011.12

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Solution

The fourth proportional to 221,042,924.40, 331,676,186 and 147,317,011.12 is: 221,050,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,042,924.40 : 331,676,186 = 147,317,011.12 : x
  2. Step 2: Convert to fraction form
    221,042,924.40/331,676,186 = 147,317,011.12/x
  3. Step 3: Cross multiply
    221,042,924.40x = 331,676,186 × 147,317,011.12
  4. Step 4: Simplify right side
    221,042,924.40x = 48,861,544,381,201,192
  5. Step 5: Solve for x
    x = 48,861,544,381,201,192/221,042,924.40
  6. Step 6: Final answer
    x = 221,050,026.88

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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.