Home / 65,483,993.35-98,209,235.78-19,415,089.86

Finding the Fourth Proportional to 65,483,993.35, 98,209,235.78 and 19,415,089.86

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Solution

The fourth proportional to 65,483,993.35, 98,209,235.78 and 19,415,089.86 is: 29,117,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,483,993.35 : 98,209,235.78 = 19,415,089.86 : x
  2. Step 2: Convert to fraction form
    65,483,993.35/98,209,235.78 = 19,415,089.86/x
  3. Step 3: Cross multiply
    65,483,993.35x = 98,209,235.78 × 19,415,089.86
  4. Step 4: Simplify right side
    65,483,993.35x = 1,906,741,137,750,627.25
  5. Step 5: Solve for x
    x = 1,906,741,137,750,627.25/65,483,993.35
  6. Step 6: Final answer
    x = 29,117,667.39

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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.