Home / 80,121,938.40-110,568,275.03-43,452,509.40

Finding the Fourth Proportional to 80,121,938.40, 110,568,275.03 and 43,452,509.40

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Solution

The fourth proportional to 80,121,938.40, 110,568,275.03 and 43,452,509.40 is: 59,964,462.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,121,938.40 : 110,568,275.03 = 43,452,509.40 : x
  2. Step 2: Convert to fraction form
    80,121,938.40/110,568,275.03 = 43,452,509.40/x
  3. Step 3: Cross multiply
    80,121,938.40x = 110,568,275.03 × 43,452,509.40
  4. Step 4: Simplify right side
    80,121,938.40x = 4,804,469,010,191,491
  5. Step 5: Solve for x
    x = 4,804,469,010,191,491/80,121,938.40
  6. Step 6: Final answer
    x = 59,964,462.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.