Home / 219,975,905.90-329,963,858.85-117,939,233.90

Finding the Fourth Proportional to 219,975,905.90, 329,963,858.85 and 117,939,233.90

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Solution

The fourth proportional to 219,975,905.90, 329,963,858.85 and 117,939,233.90 is: 176,908,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,975,905.90 : 329,963,858.85 = 117,939,233.90 : x
  2. Step 2: Convert to fraction form
    219,975,905.90/329,963,858.85 = 117,939,233.90/x
  3. Step 3: Cross multiply
    219,975,905.90x = 329,963,858.85 × 117,939,233.90
  4. Step 4: Simplify right side
    219,975,905.90x = 38,915,684,727,456,736
  5. Step 5: Solve for x
    x = 38,915,684,727,456,736/219,975,905.90
  6. Step 6: Final answer
    x = 176,908,850.85

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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.