Home / 43,008,576.60-64,542,356.10-19,091,213.40

Finding the Fourth Proportional to 43,008,576.60, 64,542,356.10 and 19,091,213.40

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Solution

The fourth proportional to 43,008,576.60, 64,542,356.10 and 19,091,213.40 is: 28,649,911.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,008,576.60 : 64,542,356.10 = 19,091,213.40 : x
  2. Step 2: Convert to fraction form
    43,008,576.60/64,542,356.10 = 19,091,213.40/x
  3. Step 3: Cross multiply
    43,008,576.60x = 64,542,356.10 × 19,091,213.40
  4. Step 4: Simplify right side
    43,008,576.60x = 1,232,191,893,643,891.75
  5. Step 5: Solve for x
    x = 1,232,191,893,643,891.75/43,008,576.60
  6. Step 6: Final answer
    x = 28,649,911.04

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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.