Home / 149,020,737.90-205,653,190.47-82,944,906.90

Finding the Fourth Proportional to 149,020,737.90, 205,653,190.47 and 82,944,906.90

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Solution

The fourth proportional to 149,020,737.90, 205,653,190.47 and 82,944,906.90 is: 114,466,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,020,737.90 : 205,653,190.47 = 82,944,906.90 : x
  2. Step 2: Convert to fraction form
    149,020,737.90/205,653,190.47 = 82,944,906.90/x
  3. Step 3: Cross multiply
    149,020,737.90x = 205,653,190.47 × 82,944,906.90
  4. Step 4: Simplify right side
    149,020,737.90x = 17,057,884,737,222,118
  5. Step 5: Solve for x
    x = 17,057,884,737,222,118/149,020,737.90
  6. Step 6: Final answer
    x = 114,466,516.39

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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.