Home / 66,496,287.20-99,576,469.20-43,653,509.60

Finding the Fourth Proportional to 66,496,287.20, 99,576,469.20 and 43,653,509.60

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Solution

The fourth proportional to 66,496,287.20, 99,576,469.20 and 43,653,509.60 is: 65,370,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,496,287.20 : 99,576,469.20 = 43,653,509.60 : x
  2. Step 2: Convert to fraction form
    66,496,287.20/99,576,469.20 = 43,653,509.60/x
  3. Step 3: Cross multiply
    66,496,287.20x = 99,576,469.20 × 43,653,509.60
  4. Step 4: Simplify right side
    66,496,287.20x = 4,346,862,354,156,304.50
  5. Step 5: Solve for x
    x = 4,346,862,354,156,304.50/66,496,287.20
  6. Step 6: Final answer
    x = 65,370,000.90

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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.