Home / 292,220,268.48-403,069,750.56-187,930,267.20

Finding the Fourth Proportional to 292,220,268.48, 403,069,750.56 and 187,930,267.20

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Solution

The fourth proportional to 292,220,268.48, 403,069,750.56 and 187,930,267.20 is: 259,218,863.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,220,268.48 : 403,069,750.56 = 187,930,267.20 : x
  2. Step 2: Convert to fraction form
    292,220,268.48/403,069,750.56 = 187,930,267.20/x
  3. Step 3: Cross multiply
    292,220,268.48x = 403,069,750.56 × 187,930,267.20
  4. Step 4: Simplify right side
    292,220,268.48x = 75,749,005,922,978,144
  5. Step 5: Solve for x
    x = 75,749,005,922,978,144/292,220,268.48
  6. Step 6: Final answer
    x = 259,218,863.62

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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.