Home / 130,709,401.20-196,071,474.60-39,835,954.80

Finding the Fourth Proportional to 130,709,401.20, 196,071,474.60 and 39,835,954.80

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Solution

The fourth proportional to 130,709,401.20, 196,071,474.60 and 39,835,954.80 is: 59,756,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,709,401.20 : 196,071,474.60 = 39,835,954.80 : x
  2. Step 2: Convert to fraction form
    130,709,401.20/196,071,474.60 = 39,835,954.80/x
  3. Step 3: Cross multiply
    130,709,401.20x = 196,071,474.60 × 39,835,954.80
  4. Step 4: Simplify right side
    130,709,401.20x = 7,810,694,399,734,947
  5. Step 5: Solve for x
    x = 7,810,694,399,734,947/130,709,401.20
  6. Step 6: Final answer
    x = 59,756,179.19

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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.