Home / 43,977,308.80-65,965,963.20-18,447,145.60

Finding the Fourth Proportional to 43,977,308.80, 65,965,963.20 and 18,447,145.60

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Solution

The fourth proportional to 43,977,308.80, 65,965,963.20 and 18,447,145.60 is: 27,670,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,977,308.80 : 65,965,963.20 = 18,447,145.60 : x
  2. Step 2: Convert to fraction form
    43,977,308.80/65,965,963.20 = 18,447,145.60/x
  3. Step 3: Cross multiply
    43,977,308.80x = 65,965,963.20 × 18,447,145.60
  4. Step 4: Simplify right side
    43,977,308.80x = 1,216,883,727,794,642
  5. Step 5: Solve for x
    x = 1,216,883,727,794,642/43,977,308.80
  6. Step 6: Final answer
    x = 27,670,718.40

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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.