Home / 57,256,432.70-85,828,661.85-51,209,815.10

Finding the Fourth Proportional to 57,256,432.70, 85,828,661.85 and 51,209,815.10

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Solution

The fourth proportional to 57,256,432.70, 85,828,661.85 and 51,209,815.10 is: 76,764,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,256,432.70 : 85,828,661.85 = 51,209,815.10 : x
  2. Step 2: Convert to fraction form
    57,256,432.70/85,828,661.85 = 51,209,815.10/x
  3. Step 3: Cross multiply
    57,256,432.70x = 85,828,661.85 × 51,209,815.10
  4. Step 4: Simplify right side
    57,256,432.70x = 4,395,269,903,618,924
  5. Step 5: Solve for x
    x = 4,395,269,903,618,924/57,256,432.70
  6. Step 6: Final answer
    x = 76,764,648.03

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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.