Home / 319,807,198.48-441,334,081.56-173,129,482.48

Finding the Fourth Proportional to 319,807,198.48, 441,334,081.56 and 173,129,482.48

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Solution

The fourth proportional to 319,807,198.48, 441,334,081.56 and 173,129,482.48 is: 238,918,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,807,198.48 : 441,334,081.56 = 173,129,482.48 : x
  2. Step 2: Convert to fraction form
    319,807,198.48/441,334,081.56 = 173,129,482.48/x
  3. Step 3: Cross multiply
    319,807,198.48x = 441,334,081.56 × 173,129,482.48
  4. Step 4: Simplify right side
    319,807,198.48x = 76,407,941,141,268,912
  5. Step 5: Solve for x
    x = 76,407,941,141,268,912/319,807,198.48
  6. Step 6: Final answer
    x = 238,918,765.76

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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.