Home / 156,845,008.11-216,444,914.28-86,279,098.83

Finding the Fourth Proportional to 156,845,008.11, 216,444,914.28 and 86,279,098.83

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Solution

The fourth proportional to 156,845,008.11, 216,444,914.28 and 86,279,098.83 is: 119,064,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,845,008.11 : 216,444,914.28 = 86,279,098.83 : x
  2. Step 2: Convert to fraction form
    156,845,008.11/216,444,914.28 = 86,279,098.83/x
  3. Step 3: Cross multiply
    156,845,008.11x = 216,444,914.28 × 86,279,098.83
  4. Step 4: Simplify right side
    156,845,008.11x = 18,674,672,150,415,000
  5. Step 5: Solve for x
    x = 18,674,672,150,415,000/156,845,008.11
  6. Step 6: Final answer
    x = 119,064,497.97

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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.