Home / 69,266,656.80-103,916,154.42-20,083,538.88

Finding the Fourth Proportional to 69,266,656.80, 103,916,154.42 and 20,083,538.88

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Solution

The fourth proportional to 69,266,656.80, 103,916,154.42 and 20,083,538.88 is: 30,129,996.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,266,656.80 : 103,916,154.42 = 20,083,538.88 : x
  2. Step 2: Convert to fraction form
    69,266,656.80/103,916,154.42 = 20,083,538.88/x
  3. Step 3: Cross multiply
    69,266,656.80x = 103,916,154.42 × 20,083,538.88
  4. Step 4: Simplify right side
    69,266,656.80x = 2,087,004,127,554,153.75
  5. Step 5: Solve for x
    x = 2,087,004,127,554,153.75/69,266,656.80
  6. Step 6: Final answer
    x = 30,129,996.51

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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.