Home / 60,467,556.30-90,701,334.45-20,078,040.30

Finding the Fourth Proportional to 60,467,556.30, 90,701,334.45 and 20,078,040.30

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Solution

The fourth proportional to 60,467,556.30, 90,701,334.45 and 20,078,040.30 is: 30,117,060.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,467,556.30 : 90,701,334.45 = 20,078,040.30 : x
  2. Step 2: Convert to fraction form
    60,467,556.30/90,701,334.45 = 20,078,040.30/x
  3. Step 3: Cross multiply
    60,467,556.30x = 90,701,334.45 × 20,078,040.30
  4. Step 4: Simplify right side
    60,467,556.30x = 1,821,105,048,350,878.50
  5. Step 5: Solve for x
    x = 1,821,105,048,350,878.50/60,467,556.30
  6. Step 6: Final answer
    x = 30,117,060.45

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Double scale
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Similar ratio
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1.5x scale

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.