Home / 156,161,227.54-215,502,514.43-86,551,102.48

Finding the Fourth Proportional to 156,161,227.54, 215,502,514.43 and 86,551,102.48

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Solution

The fourth proportional to 156,161,227.54, 215,502,514.43 and 86,551,102.48 is: 119,440,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161,227.54 : 215,502,514.43 = 86,551,102.48 : x
  2. Step 2: Convert to fraction form
    156,161,227.54/215,502,514.43 = 86,551,102.48/x
  3. Step 3: Cross multiply
    156,161,227.54x = 215,502,514.43 × 86,551,102.48
  4. Step 4: Simplify right side
    156,161,227.54x = 18,651,980,210,481,664
  5. Step 5: Solve for x
    x = 18,651,980,210,481,664/156,161,227.54
  6. Step 6: Final answer
    x = 119,440,532.74

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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.