Home / 95,422,913.40-143,134,370.10-80,642,292.60

Finding the Fourth Proportional to 95,422,913.40, 143,134,370.10 and 80,642,292.60

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Solution

The fourth proportional to 95,422,913.40, 143,134,370.10 and 80,642,292.60 is: 120,963,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,422,913.40 : 143,134,370.10 = 80,642,292.60 : x
  2. Step 2: Convert to fraction form
    95,422,913.40/143,134,370.10 = 80,642,292.60/x
  3. Step 3: Cross multiply
    95,422,913.40x = 143,134,370.10 × 80,642,292.60
  4. Step 4: Simplify right side
    95,422,913.40x = 11,542,683,754,720,890
  5. Step 5: Solve for x
    x = 11,542,683,754,720,890/95,422,913.40
  6. Step 6: Final answer
    x = 120,963,438.90

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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.