Home / 207,953,940.80-311,930,911.20-191,829,627.20

Finding the Fourth Proportional to 207,953,940.80, 311,930,911.20 and 191,829,627.20

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Solution

The fourth proportional to 207,953,940.80, 311,930,911.20 and 191,829,627.20 is: 287,744,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,953,940.80 : 311,930,911.20 = 191,829,627.20 : x
  2. Step 2: Convert to fraction form
    207,953,940.80/311,930,911.20 = 191,829,627.20/x
  3. Step 3: Cross multiply
    207,953,940.80x = 311,930,911.20 × 191,829,627.20
  4. Step 4: Simplify right side
    207,953,940.80x = 59,837,590,407,652,296
  5. Step 5: Solve for x
    x = 59,837,590,407,652,296/207,953,940.80
  6. Step 6: Final answer
    x = 287,744,440.80

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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.