Home / 219,975,906.90-329,963,860.35-117,939,234.90

Finding the Fourth Proportional to 219,975,906.90, 329,963,860.35 and 117,939,234.90

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Solution

The fourth proportional to 219,975,906.90, 329,963,860.35 and 117,939,234.90 is: 176,908,852.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,975,906.90 : 329,963,860.35 = 117,939,234.90 : x
  2. Step 2: Convert to fraction form
    219,975,906.90/329,963,860.35 = 117,939,234.90/x
  3. Step 3: Cross multiply
    219,975,906.90x = 329,963,860.35 × 117,939,234.90
  4. Step 4: Simplify right side
    219,975,906.90x = 38,915,685,234,329,448
  5. Step 5: Solve for x
    x = 38,915,685,234,329,448/219,975,906.90
  6. Step 6: Final answer
    x = 176,908,852.35

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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.