Home / 79,986,082.80-110,380,244.76-43,315,814.64

Finding the Fourth Proportional to 79,986,082.80, 110,380,244.76 and 43,315,814.64

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Solution

The fourth proportional to 79,986,082.80, 110,380,244.76 and 43,315,814.64 is: 59,775,526.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,986,082.80 : 110,380,244.76 = 43,315,814.64 : x
  2. Step 2: Convert to fraction form
    79,986,082.80/110,380,244.76 = 43,315,814.64/x
  3. Step 3: Cross multiply
    79,986,082.80x = 110,380,244.76 × 43,315,814.64
  4. Step 4: Simplify right side
    79,986,082.80x = 4,781,210,221,941,992
  5. Step 5: Solve for x
    x = 4,781,210,221,941,992/79,986,082.80
  6. Step 6: Final answer
    x = 59,775,526.62

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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.