Home / 124,394,268-171,726,237.36-77,366,500.68

Finding the Fourth Proportional to 124,394,268, 171,726,237.36 and 77,366,500.68

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Solution

The fourth proportional to 124,394,268, 171,726,237.36 and 77,366,500.68 is: 106,804,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394,268 : 171,726,237.36 = 77,366,500.68 : x
  2. Step 2: Convert to fraction form
    124,394,268/171,726,237.36 = 77,366,500.68/x
  3. Step 3: Cross multiply
    124,394,268x = 171,726,237.36 × 77,366,500.68
  4. Step 4: Simplify right side
    124,394,268x = 13,285,858,059,486,284
  5. Step 5: Solve for x
    x = 13,285,858,059,486,284/124,394,268
  6. Step 6: Final answer
    x = 106,804,423.33

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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.