Home / 142,219,606.59-196,278,985.01-80,343,930.96

Finding the Fourth Proportional to 142,219,606.59, 196,278,985.01 and 80,343,930.96

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Solution

The fourth proportional to 142,219,606.59, 196,278,985.01 and 80,343,930.96 is: 110,883,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,219,606.59 : 196,278,985.01 = 80,343,930.96 : x
  2. Step 2: Convert to fraction form
    142,219,606.59/196,278,985.01 = 80,343,930.96/x
  3. Step 3: Cross multiply
    142,219,606.59x = 196,278,985.01 × 80,343,930.96
  4. Step 4: Simplify right side
    142,219,606.59x = 15,769,825,220,542,312
  5. Step 5: Solve for x
    x = 15,769,825,220,542,312/142,219,606.59
  6. Step 6: Final answer
    x = 110,883,622.86

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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.