Home / 106,149,622.72-146,531,677.44-71,362,489

Finding the Fourth Proportional to 106,149,622.72, 146,531,677.44 and 71,362,489

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Solution

The fourth proportional to 106,149,622.72, 146,531,677.44 and 71,362,489 is: 98,510,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,149,622.72 : 146,531,677.44 = 71,362,489 : x
  2. Step 2: Convert to fraction form
    106,149,622.72/146,531,677.44 = 71,362,489/x
  3. Step 3: Cross multiply
    106,149,622.72x = 146,531,677.44 × 71,362,489
  4. Step 4: Simplify right side
    106,149,622.72x = 10,456,865,219,463,548
  5. Step 5: Solve for x
    x = 10,456,865,219,463,548/106,149,622.72
  6. Step 6: Final answer
    x = 98,510,620.68

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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.