Home / 57,256,475.20-85,828,725.60-51,209,857.60

Finding the Fourth Proportional to 57,256,475.20, 85,828,725.60 and 51,209,857.60

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Solution

The fourth proportional to 57,256,475.20, 85,828,725.60 and 51,209,857.60 is: 76,764,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256,475.20 : 85,828,725.60 = 51,209,857.60 : x
  2. Step 2: Convert to fraction form
    57,256,475.20/85,828,725.60 = 51,209,857.60/x
  3. Step 3: Cross multiply
    57,256,475.20x = 85,828,725.60 × 51,209,857.60
  4. Step 4: Simplify right side
    57,256,475.20x = 4,395,276,815,965,474.50
  5. Step 5: Solve for x
    x = 4,395,276,815,965,474.50/57,256,475.20
  6. Step 6: Final answer
    x = 76,764,711.77

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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.