Home / 272,822,345.63-409,227,609.78-76,080,509.33

Finding the Fourth Proportional to 272,822,345.63, 409,227,609.78 and 76,080,509.33

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Solution

The fourth proportional to 272,822,345.63, 409,227,609.78 and 76,080,509.33 is: 114,119,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,822,345.63 : 409,227,609.78 = 76,080,509.33 : x
  2. Step 2: Convert to fraction form
    272,822,345.63/409,227,609.78 = 76,080,509.33/x
  3. Step 3: Cross multiply
    272,822,345.63x = 409,227,609.78 × 76,080,509.33
  4. Step 4: Simplify right side
    272,822,345.63x = 31,134,244,981,914,752
  5. Step 5: Solve for x
    x = 31,134,244,981,914,752/272,822,345.63
  6. Step 6: Final answer
    x = 114,119,116.27

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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.