Home / 65,616,190.20-98,424,285.30-20,172,079.80

Finding the Fourth Proportional to 65,616,190.20, 98,424,285.30 and 20,172,079.80

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Solution

The fourth proportional to 65,616,190.20, 98,424,285.30 and 20,172,079.80 is: 30,258,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,190.20 : 98,424,285.30 = 20,172,079.80 : x
  2. Step 2: Convert to fraction form
    65,616,190.20/98,424,285.30 = 20,172,079.80/x
  3. Step 3: Cross multiply
    65,616,190.20x = 98,424,285.30 × 20,172,079.80
  4. Step 4: Simplify right side
    65,616,190.20x = 1,985,422,537,329,567
  5. Step 5: Solve for x
    x = 1,985,422,537,329,567/65,616,190.20
  6. Step 6: Final answer
    x = 30,258,119.70

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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.