Home / 156,161,154.88-215,502,389.44-86,556,993.04

Finding the Fourth Proportional to 156,161,154.88, 215,502,389.44 and 86,556,993.04

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Solution

The fourth proportional to 156,161,154.88, 215,502,389.44 and 86,556,993.04 is: 119,448,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,161,154.88 : 215,502,389.44 = 86,556,993.04 : x
  2. Step 2: Convert to fraction form
    156,161,154.88/215,502,389.44 = 86,556,993.04/x
  3. Step 3: Cross multiply
    156,161,154.88x = 215,502,389.44 × 86,556,993.04
  4. Step 4: Simplify right side
    156,161,154.88x = 18,653,238,822,861,452
  5. Step 5: Solve for x
    x = 18,653,238,822,861,452/156,161,154.88
  6. Step 6: Final answer
    x = 119,448,648.01

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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.