Home / 122,117,702.81-168,524,073.05-66,364,229.93

Finding the Fourth Proportional to 122,117,702.81, 168,524,073.05 and 66,364,229.93

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Solution

The fourth proportional to 122,117,702.81, 168,524,073.05 and 66,364,229.93 is: 91,583,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,117,702.81 : 168,524,073.05 = 66,364,229.93 : x
  2. Step 2: Convert to fraction form
    122,117,702.81/168,524,073.05 = 66,364,229.93/x
  3. Step 3: Cross multiply
    122,117,702.81x = 168,524,073.05 × 66,364,229.93
  4. Step 4: Simplify right side
    122,117,702.81x = 11,183,970,331,455,874
  5. Step 5: Solve for x
    x = 11,183,970,331,455,874/122,117,702.81
  6. Step 6: Final answer
    x = 91,583,530.27

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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.