Home / 57,096,323.20-85,616,145.60-20,703,260.80

Finding the Fourth Proportional to 57,096,323.20, 85,616,145.60 and 20,703,260.80

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Solution

The fourth proportional to 57,096,323.20, 85,616,145.60 and 20,703,260.80 is: 31,044,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,096,323.20 : 85,616,145.60 = 20,703,260.80 : x
  2. Step 2: Convert to fraction form
    57,096,323.20/85,616,145.60 = 20,703,260.80/x
  3. Step 3: Cross multiply
    57,096,323.20x = 85,616,145.60 × 20,703,260.80
  4. Step 4: Simplify right side
    57,096,323.20x = 1,772,533,391,047,572.50
  5. Step 5: Solve for x
    x = 1,772,533,391,047,572.50/57,096,323.20
  6. Step 6: Final answer
    x = 31,044,615.34

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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.