Home / 219,847,528.20-329,771,292.30-127,636,609.80

Finding the Fourth Proportional to 219,847,528.20, 329,771,292.30 and 127,636,609.80

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Solution

The fourth proportional to 219,847,528.20, 329,771,292.30 and 127,636,609.80 is: 191,454,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847,528.20 : 329,771,292.30 = 127,636,609.80 : x
  2. Step 2: Convert to fraction form
    219,847,528.20/329,771,292.30 = 127,636,609.80/x
  3. Step 3: Cross multiply
    219,847,528.20x = 329,771,292.30 × 127,636,609.80
  4. Step 4: Simplify right side
    219,847,528.20x = 42,090,889,758,536,848
  5. Step 5: Solve for x
    x = 42,090,889,758,536,848/219,847,528.20
  6. Step 6: Final answer
    x = 191,454,914.70

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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.