Home / 213,775,497.20-320,663,245.80-159,355,938.80

Finding the Fourth Proportional to 213,775,497.20, 320,663,245.80 and 159,355,938.80

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Solution

The fourth proportional to 213,775,497.20, 320,663,245.80 and 159,355,938.80 is: 239,033,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,775,497.20 : 320,663,245.80 = 159,355,938.80 : x
  2. Step 2: Convert to fraction form
    213,775,497.20/320,663,245.80 = 159,355,938.80/x
  3. Step 3: Cross multiply
    213,775,497.20x = 320,663,245.80 × 159,355,938.80
  4. Step 4: Simplify right side
    213,775,497.20x = 51,099,592,573,114,160
  5. Step 5: Solve for x
    x = 51,099,592,573,114,160/213,775,497.20
  6. Step 6: Final answer
    x = 239,033,908.20

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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.