Home / 142,219,606.08-196,278,984.32-80,343,930.46

Finding the Fourth Proportional to 142,219,606.08, 196,278,984.32 and 80,343,930.46

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Solution

The fourth proportional to 142,219,606.08, 196,278,984.32 and 80,343,930.46 is: 110,883,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,219,606.08 : 196,278,984.32 = 80,343,930.46 : x
  2. Step 2: Convert to fraction form
    142,219,606.08/196,278,984.32 = 80,343,930.46/x
  3. Step 3: Cross multiply
    142,219,606.08x = 196,278,984.32 × 80,343,930.46
  4. Step 4: Simplify right side
    142,219,606.08x = 15,769,825,066,965,508
  5. Step 5: Solve for x
    x = 15,769,825,066,965,508/142,219,606.08
  6. Step 6: Final answer
    x = 110,883,622.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.