Home / 52,765,225.50-79,138,529.78-20,390,512.26

Finding the Fourth Proportional to 52,765,225.50, 79,138,529.78 and 20,390,512.26

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Solution

The fourth proportional to 52,765,225.50, 79,138,529.78 and 20,390,512.26 is: 30,582,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765,225.50 : 79,138,529.78 = 20,390,512.26 : x
  2. Step 2: Convert to fraction form
    52,765,225.50/79,138,529.78 = 20,390,512.26/x
  3. Step 3: Cross multiply
    52,765,225.50x = 79,138,529.78 × 20,390,512.26
  4. Step 4: Simplify right side
    52,765,225.50x = 1,613,675,161,615,512.75
  5. Step 5: Solve for x
    x = 1,613,675,161,615,512.75/52,765,225.50
  6. Step 6: Final answer
    x = 30,582,171.24

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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.