Home / 57,256,439.70-85,828,672.35-51,209,822.10

Finding the Fourth Proportional to 57,256,439.70, 85,828,672.35 and 51,209,822.10

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Solution

The fourth proportional to 57,256,439.70, 85,828,672.35 and 51,209,822.10 is: 76,764,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256,439.70 : 85,828,672.35 = 51,209,822.10 : x
  2. Step 2: Convert to fraction form
    57,256,439.70/85,828,672.35 = 51,209,822.10/x
  3. Step 3: Cross multiply
    57,256,439.70x = 85,828,672.35 × 51,209,822.10
  4. Step 4: Simplify right side
    57,256,439.70x = 4,395,271,042,122,689
  5. Step 5: Solve for x
    x = 4,395,271,042,122,689/57,256,439.70
  6. Step 6: Final answer
    x = 76,764,658.53

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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.