Home / 156,161,227.35-215,502,514.17-86,551,102.29

Finding the Fourth Proportional to 156,161,227.35, 215,502,514.17 and 86,551,102.29

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Solution

The fourth proportional to 156,161,227.35, 215,502,514.17 and 86,551,102.29 is: 119,440,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161,227.35 : 215,502,514.17 = 86,551,102.29 : x
  2. Step 2: Convert to fraction form
    156,161,227.35/215,502,514.17 = 86,551,102.29/x
  3. Step 3: Cross multiply
    156,161,227.35x = 215,502,514.17 × 86,551,102.29
  4. Step 4: Simplify right side
    156,161,227.35x = 18,651,980,147,679,844
  5. Step 5: Solve for x
    x = 18,651,980,147,679,844/156,161,227.35
  6. Step 6: Final answer
    x = 119,440,532.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.