Home / 156,904,092.26-216,529,606.26-86,347,820

Finding the Fourth Proportional to 156,904,092.26, 216,529,606.26 and 86,347,820

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Solution

The fourth proportional to 156,904,092.26, 216,529,606.26 and 86,347,820 is: 119,161,069.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,904,092.26 : 216,529,606.26 = 86,347,820 : x
  2. Step 2: Convert to fraction form
    156,904,092.26/216,529,606.26 = 86,347,820/x
  3. Step 3: Cross multiply
    156,904,092.26x = 216,529,606.26 × 86,347,820
  4. Step 4: Simplify right side
    156,904,092.26x = 18,696,859,466,009,352
  5. Step 5: Solve for x
    x = 18,696,859,466,009,352/156,904,092.26
  6. Step 6: Final answer
    x = 119,161,069.65

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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.