Home / 54,447,838.64-81,821,731.08-28,907,964.08

Finding the Fourth Proportional to 54,447,838.64, 81,821,731.08 and 28,907,964.08

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Solution

The fourth proportional to 54,447,838.64, 81,821,731.08 and 28,907,964.08 is: 43,441,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447,838.64 : 81,821,731.08 = 28,907,964.08 : x
  2. Step 2: Convert to fraction form
    54,447,838.64/81,821,731.08 = 28,907,964.08/x
  3. Step 3: Cross multiply
    54,447,838.64x = 81,821,731.08 × 28,907,964.08
  4. Step 4: Simplify right side
    54,447,838.64x = 2,365,299,663,024,059.50
  5. Step 5: Solve for x
    x = 2,365,299,663,024,059.50/54,447,838.64
  6. Step 6: Final answer
    x = 43,441,571.27

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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.