Home / 154,618,277-213,367,785.54-85,003,151

Finding the Fourth Proportional to 154,618,277, 213,367,785.54 and 85,003,151

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Solution

The fourth proportional to 154,618,277, 213,367,785.54 and 85,003,151 is: 117,301,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618,277 : 213,367,785.54 = 85,003,151 : x
  2. Step 2: Convert to fraction form
    154,618,277/213,367,785.54 = 85,003,151/x
  3. Step 3: Cross multiply
    154,618,277x = 213,367,785.54 × 85,003,151
  4. Step 4: Simplify right side
    154,618,277x = 18,136,934,092,792,236
  5. Step 5: Solve for x
    x = 18,136,934,092,792,236/154,618,277
  6. Step 6: Final answer
    x = 117,301,359.48

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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.