Home / 69,783,245.39-104,686,238.42-20,604,069.95

Finding the Fourth Proportional to 69,783,245.39, 104,686,238.42 and 20,604,069.95

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Solution

The fourth proportional to 69,783,245.39, 104,686,238.42 and 20,604,069.95 is: 30,909,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,245.39 : 104,686,238.42 = 20,604,069.95 : x
  2. Step 2: Convert to fraction form
    69,783,245.39/104,686,238.42 = 20,604,069.95/x
  3. Step 3: Cross multiply
    69,783,245.39x = 104,686,238.42 × 20,604,069.95
  4. Step 4: Simplify right side
    69,783,245.39x = 2,156,962,578,581,606
  5. Step 5: Solve for x
    x = 2,156,962,578,581,606/69,783,245.39
  6. Step 6: Final answer
    x = 30,909,462.10

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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.