Home / 143,000,146.58-197,339,409-80,276,227.94

Finding the Fourth Proportional to 143,000,146.58, 197,339,409 and 80,276,227.94

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Solution

The fourth proportional to 143,000,146.58, 197,339,409 and 80,276,227.94 is: 110,780,749.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,000,146.58 : 197,339,409 = 80,276,227.94 : x
  2. Step 2: Convert to fraction form
    143,000,146.58/197,339,409 = 80,276,227.94/x
  3. Step 3: Cross multiply
    143,000,146.58x = 197,339,409 × 80,276,227.94
  4. Step 4: Simplify right side
    143,000,146.58x = 15,841,663,378,922,236
  5. Step 5: Solve for x
    x = 15,841,663,378,922,236/143,000,146.58
  6. Step 6: Final answer
    x = 110,780,749.24

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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.