Home / 156,786,610.56-216,354,291.32-86,227,189

Finding the Fourth Proportional to 156,786,610.56, 216,354,291.32 and 86,227,189

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Solution

The fourth proportional to 156,786,610.56, 216,354,291.32 and 86,227,189 is: 118,987,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,786,610.56 : 216,354,291.32 = 86,227,189 : x
  2. Step 2: Convert to fraction form
    156,786,610.56/216,354,291.32 = 86,227,189/x
  3. Step 3: Cross multiply
    156,786,610.56x = 216,354,291.32 × 86,227,189
  4. Step 4: Simplify right side
    156,786,610.56x = 18,655,622,368,610,700
  5. Step 5: Solve for x
    x = 18,655,622,368,610,700/156,786,610.56
  6. Step 6: Final answer
    x = 118,987,344.02

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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.