Home / 69,783,260.81-104,686,261.52-20,604,085.36

Finding the Fourth Proportional to 69,783,260.81, 104,686,261.52 and 20,604,085.36

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Solution

The fourth proportional to 69,783,260.81, 104,686,261.52 and 20,604,085.36 is: 30,909,485.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,260.81 : 104,686,261.52 = 20,604,085.36 : x
  2. Step 2: Convert to fraction form
    69,783,260.81/104,686,261.52 = 20,604,085.36/x
  3. Step 3: Cross multiply
    69,783,260.81x = 104,686,261.52 × 20,604,085.36
  4. Step 4: Simplify right side
    69,783,260.81x = 2,156,964,668,012,627.50
  5. Step 5: Solve for x
    x = 2,156,964,668,012,627.50/69,783,260.81
  6. Step 6: Final answer
    x = 30,909,485.21

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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.