Home / 54,047,135.76-74,590,382.31-30,845,733.90

Finding the Fourth Proportional to 54,047,135.76, 74,590,382.31 and 30,845,733.90

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Solution

The fourth proportional to 54,047,135.76, 74,590,382.31 and 30,845,733.90 is: 42,570,157.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047,135.76 : 74,590,382.31 = 30,845,733.90 : x
  2. Step 2: Convert to fraction form
    54,047,135.76/74,590,382.31 = 30,845,733.90/x
  3. Step 3: Cross multiply
    54,047,135.76x = 74,590,382.31 × 30,845,733.90
  4. Step 4: Simplify right side
    54,047,135.76x = 2,300,795,084,233,527.50
  5. Step 5: Solve for x
    x = 2,300,795,084,233,527.50/54,047,135.76
  6. Step 6: Final answer
    x = 42,570,157.55

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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.