Home / 120,398,396.93-166,146,961.88-70,841,980.39

Finding the Fourth Proportional to 120,398,396.93, 166,146,961.88 and 70,841,980.39

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Solution

The fourth proportional to 120,398,396.93, 166,146,961.88 and 70,841,980.39 is: 97,760,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,398,396.93 : 166,146,961.88 = 70,841,980.39 : x
  2. Step 2: Convert to fraction form
    120,398,396.93/166,146,961.88 = 70,841,980.39/x
  3. Step 3: Cross multiply
    120,398,396.93x = 166,146,961.88 × 70,841,980.39
  4. Step 4: Simplify right side
    120,398,396.93x = 11,770,179,815,200,032
  5. Step 5: Solve for x
    x = 11,770,179,815,200,032/120,398,396.93
  6. Step 6: Final answer
    x = 97,760,270.20

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1.5x scale

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.