Home / 154,618,273-213,367,780.02-85,003,147

Finding the Fourth Proportional to 154,618,273, 213,367,780.02 and 85,003,147

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Solution

The fourth proportional to 154,618,273, 213,367,780.02 and 85,003,147 is: 117,301,353.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618,273 : 213,367,780.02 = 85,003,147 : x
  2. Step 2: Convert to fraction form
    154,618,273/213,367,780.02 = 85,003,147/x
  3. Step 3: Cross multiply
    154,618,273x = 213,367,780.02 × 85,003,147
  4. Step 4: Simplify right side
    154,618,273x = 18,136,932,770,103,724
  5. Step 5: Solve for x
    x = 18,136,932,770,103,724/154,618,273
  6. Step 6: Final answer
    x = 117,301,353.96

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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.