Home / 130,914,470.80-196,340,213.40-40,038,847.12

Finding the Fourth Proportional to 130,914,470.80, 196,340,213.40 and 40,038,847.12

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Solution

The fourth proportional to 130,914,470.80, 196,340,213.40 and 40,038,847.12 is: 60,048,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,914,470.80 : 196,340,213.40 = 40,038,847.12 : x
  2. Step 2: Convert to fraction form
    130,914,470.80/196,340,213.40 = 40,038,847.12/x
  3. Step 3: Cross multiply
    130,914,470.80x = 196,340,213.40 × 40,038,847.12
  4. Step 4: Simplify right side
    130,914,470.80x = 7,861,235,787,830,775
  5. Step 5: Solve for x
    x = 7,861,235,787,830,775/130,914,470.80
  6. Step 6: Final answer
    x = 60,048,638.93

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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.