Home / 54,190,070.64-74,782,268.64-30,668,180.40

Finding the Fourth Proportional to 54,190,070.64, 74,782,268.64 and 30,668,180.40

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Solution

The fourth proportional to 54,190,070.64, 74,782,268.64 and 30,668,180.40 is: 42,322,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190,070.64 : 74,782,268.64 = 30,668,180.40 : x
  2. Step 2: Convert to fraction form
    54,190,070.64/74,782,268.64 = 30,668,180.40/x
  3. Step 3: Cross multiply
    54,190,070.64x = 74,782,268.64 × 30,668,180.40
  4. Step 4: Simplify right side
    54,190,070.64x = 2,293,436,105,372,782.50
  5. Step 5: Solve for x
    x = 2,293,436,105,372,782.50/54,190,070.64
  6. Step 6: Final answer
    x = 42,322,072.63

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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.