Home / 219,145,377.22-302,420,915.33-118,673,989.64

Finding the Fourth Proportional to 219,145,377.22, 302,420,915.33 and 118,673,989.64

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Solution

The fourth proportional to 219,145,377.22, 302,420,915.33 and 118,673,989.64 is: 163,770,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,145,377.22 : 302,420,915.33 = 118,673,989.64 : x
  2. Step 2: Convert to fraction form
    219,145,377.22/302,420,915.33 = 118,673,989.64/x
  3. Step 3: Cross multiply
    219,145,377.22x = 302,420,915.33 × 118,673,989.64
  4. Step 4: Simplify right side
    219,145,377.22x = 35,889,496,572,791,736
  5. Step 5: Solve for x
    x = 35,889,496,572,791,736/219,145,377.22
  6. Step 6: Final answer
    x = 163,770,265.33

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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.