Home / 118,562,813.82-178,047,744.75-72,773,562

Finding the Fourth Proportional to 118,562,813.82, 178,047,744.75 and 72,773,562

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Solution

The fourth proportional to 118,562,813.82, 178,047,744.75 and 72,773,562 is: 109,285,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562,813.82 : 178,047,744.75 = 72,773,562 : x
  2. Step 2: Convert to fraction form
    118,562,813.82/178,047,744.75 = 72,773,562/x
  3. Step 3: Cross multiply
    118,562,813.82x = 178,047,744.75 × 72,773,562
  4. Step 4: Simplify right side
    118,562,813.82x = 12,957,168,591,524,300
  5. Step 5: Solve for x
    x = 12,957,168,591,524,300/118,562,813.82
  6. Step 6: Final answer
    x = 109,285,265.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.