Home / 193,628,060.69-290,503,489.30-69,128,018.46

Finding the Fourth Proportional to 193,628,060.69, 290,503,489.30 and 69,128,018.46

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Solution

The fourth proportional to 193,628,060.69, 290,503,489.30 and 69,128,018.46 is: 103,713,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,628,060.69 : 290,503,489.30 = 69,128,018.46 : x
  2. Step 2: Convert to fraction form
    193,628,060.69/290,503,489.30 = 69,128,018.46/x
  3. Step 3: Cross multiply
    193,628,060.69x = 290,503,489.30 × 69,128,018.46
  4. Step 4: Simplify right side
    193,628,060.69x = 20,081,930,570,851,992
  5. Step 5: Solve for x
    x = 20,081,930,570,851,992/193,628,060.69
  6. Step 6: Final answer
    x = 103,713,947.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.