Home / 289,203,352.04-399,099,180.42-157,043,171.67

Finding the Fourth Proportional to 289,203,352.04, 399,099,180.42 and 157,043,171.67

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Solution

The fourth proportional to 289,203,352.04, 399,099,180.42 and 157,043,171.67 is: 216,718,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,203,352.04 : 399,099,180.42 = 157,043,171.67 : x
  2. Step 2: Convert to fraction form
    289,203,352.04/399,099,180.42 = 157,043,171.67/x
  3. Step 3: Cross multiply
    289,203,352.04x = 399,099,180.42 × 157,043,171.67
  4. Step 4: Simplify right side
    289,203,352.04x = 62,675,801,104,054,360
  5. Step 5: Solve for x
    x = 62,675,801,104,054,360/289,203,352.04
  6. Step 6: Final answer
    x = 216,718,792.03

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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.