Home / 69,984,078.30-104,976,117.45-67,149,726.30

Finding the Fourth Proportional to 69,984,078.30, 104,976,117.45 and 67,149,726.30

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Solution

The fourth proportional to 69,984,078.30, 104,976,117.45 and 67,149,726.30 is: 100,724,589.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,078.30 : 104,976,117.45 = 67,149,726.30 : x
  2. Step 2: Convert to fraction form
    69,984,078.30/104,976,117.45 = 67,149,726.30/x
  3. Step 3: Cross multiply
    69,984,078.30x = 104,976,117.45 × 67,149,726.30
  4. Step 4: Simplify right side
    69,984,078.30x = 7,049,117,554,804,154
  5. Step 5: Solve for x
    x = 7,049,117,554,804,154/69,984,078.30
  6. Step 6: Final answer
    x = 100,724,589.45

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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.