Home / 120,398,437.94-166,147,018.31-70,842,021.46

Finding the Fourth Proportional to 120,398,437.94, 166,147,018.31 and 70,842,021.46

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Solution

The fourth proportional to 120,398,437.94, 166,147,018.31 and 70,842,021.46 is: 97,760,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,398,437.94 : 166,147,018.31 = 70,842,021.46 : x
  2. Step 2: Convert to fraction form
    120,398,437.94/166,147,018.31 = 70,842,021.46/x
  3. Step 3: Cross multiply
    120,398,437.94x = 166,147,018.31 × 70,842,021.46
  4. Step 4: Simplify right side
    120,398,437.94x = 11,770,190,635,995,638
  5. Step 5: Solve for x
    x = 11,770,190,635,995,638/120,398,437.94
  6. Step 6: Final answer
    x = 97,760,326.77

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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.