Home / 219,847,514.70-329,771,272.05-127,636,596.30

Finding the Fourth Proportional to 219,847,514.70, 329,771,272.05 and 127,636,596.30

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Solution

The fourth proportional to 219,847,514.70, 329,771,272.05 and 127,636,596.30 is: 191,454,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,847,514.70 : 329,771,272.05 = 127,636,596.30 : x
  2. Step 2: Convert to fraction form
    219,847,514.70/329,771,272.05 = 127,636,596.30/x
  3. Step 3: Cross multiply
    219,847,514.70x = 329,771,272.05 × 127,636,596.30
  4. Step 4: Simplify right side
    219,847,514.70x = 42,090,882,721,983,320
  5. Step 5: Solve for x
    x = 42,090,882,721,983,320/219,847,514.70
  6. Step 6: Final answer
    x = 191,454,894.45

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Double scale
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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.