Home / 53,717,576.60-80,404,904.10-42,380,168.60

Finding the Fourth Proportional to 53,717,576.60, 80,404,904.10 and 42,380,168.60

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Solution

The fourth proportional to 53,717,576.60, 80,404,904.10 and 42,380,168.60 is: 63,434,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717,576.60 : 80,404,904.10 = 42,380,168.60 : x
  2. Step 2: Convert to fraction form
    53,717,576.60/80,404,904.10 = 42,380,168.60/x
  3. Step 3: Cross multiply
    53,717,576.60x = 80,404,904.10 × 42,380,168.60
  4. Step 4: Simplify right side
    53,717,576.60x = 3,407,573,392,024,831
  5. Step 5: Solve for x
    x = 3,407,573,392,024,831/53,717,576.60
  6. Step 6: Final answer
    x = 63,434,979.90

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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.