Home / 201,749,401,311.89-278,415,432,919.52-110,298,149,182.63

Finding the Fourth Proportional to 201,749,401,311.89, 278,415,432,919.52 and 110,298,149,182.63

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Solution

The fourth proportional to 201,749,401,311.89, 278,415,432,919.52 and 110,298,149,182.63 is: 152,212,134,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,749,401,311.89 : 278,415,432,919.52 = 110,298,149,182.63 : x
  2. Step 2: Convert to fraction form
    201,749,401,311.89/278,415,432,919.52 = 110,298,149,182.63/x
  3. Step 3: Cross multiply
    201,749,401,311.89x = 278,415,432,919.52 × 110,298,149,182.63
  4. Step 4: Simplify right side
    201,749,401,311.89x = 30,708,706,954,903,736,549,376
  5. Step 5: Solve for x
    x = 30,708,706,954,903,736,549,376/201,749,401,311.89
  6. Step 6: Final answer
    x = 152,212,134,237.91

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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.