Home / 143,867,163.45-198,491,363.76-88,054,399.35

Finding the Fourth Proportional to 143,867,163.45, 198,491,363.76 and 88,054,399.35

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Solution

The fourth proportional to 143,867,163.45, 198,491,363.76 and 88,054,399.35 is: 121,487,331.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,867,163.45 : 198,491,363.76 = 88,054,399.35 : x
  2. Step 2: Convert to fraction form
    143,867,163.45/198,491,363.76 = 88,054,399.35/x
  3. Step 3: Cross multiply
    143,867,163.45x = 198,491,363.76 × 88,054,399.35
  4. Step 4: Simplify right side
    143,867,163.45x = 17,478,037,812,379,360
  5. Step 5: Solve for x
    x = 17,478,037,812,379,360/143,867,163.45
  6. Step 6: Final answer
    x = 121,487,331.74

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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.