Home / 120,790,956.24-166,685,578.02-68,573,138.22

Finding the Fourth Proportional to 120,790,956.24, 166,685,578.02 and 68,573,138.22

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Solution

The fourth proportional to 120,790,956.24, 166,685,578.02 and 68,573,138.22 is: 94,627,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790,956.24 : 166,685,578.02 = 68,573,138.22 : x
  2. Step 2: Convert to fraction form
    120,790,956.24/166,685,578.02 = 68,573,138.22/x
  3. Step 3: Cross multiply
    120,790,956.24x = 166,685,578.02 × 68,573,138.22
  4. Step 4: Simplify right side
    120,790,956.24x = 11,430,153,180,846,054
  5. Step 5: Solve for x
    x = 11,430,153,180,846,054/120,790,956.24
  6. Step 6: Final answer
    x = 94,627,557.70

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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.