Home / 130,880,268.96-196,318,721.76-43,481,973.32

Finding the Fourth Proportional to 130,880,268.96, 196,318,721.76 and 43,481,973.32

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Solution

The fourth proportional to 130,880,268.96, 196,318,721.76 and 43,481,973.32 is: 65,222,401.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,880,268.96 : 196,318,721.76 = 43,481,973.32 : x
  2. Step 2: Convert to fraction form
    130,880,268.96/196,318,721.76 = 43,481,973.32/x
  3. Step 3: Cross multiply
    130,880,268.96x = 196,318,721.76 × 43,481,973.32
  4. Step 4: Simplify right side
    130,880,268.96x = 8,536,325,420,803,229
  5. Step 5: Solve for x
    x = 8,536,325,420,803,229/130,880,268.96
  6. Step 6: Final answer
    x = 65,222,401.27

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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.