Home / 156,904,093.26-216,529,607.64-86,347,821

Finding the Fourth Proportional to 156,904,093.26, 216,529,607.64 and 86,347,821

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Solution

The fourth proportional to 156,904,093.26, 216,529,607.64 and 86,347,821 is: 119,161,071.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904,093.26 : 216,529,607.64 = 86,347,821 : x
  2. Step 2: Convert to fraction form
    156,904,093.26/216,529,607.64 = 86,347,821/x
  3. Step 3: Cross multiply
    156,904,093.26x = 216,529,607.64 × 86,347,821
  4. Step 4: Simplify right side
    156,904,093.26x = 18,696,859,801,698,952
  5. Step 5: Solve for x
    x = 18,696,859,801,698,952/156,904,093.26
  6. Step 6: Final answer
    x = 119,161,071.03

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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.