Home / 227,571,751.70-314,015,234.59-138,217,197.45

Finding the Fourth Proportional to 227,571,751.70, 314,015,234.59 and 138,217,197.45

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Solution

The fourth proportional to 227,571,751.70, 314,015,234.59 and 138,217,197.45 is: 190,719,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,571,751.70 : 314,015,234.59 = 138,217,197.45 : x
  2. Step 2: Convert to fraction form
    227,571,751.70/314,015,234.59 = 138,217,197.45/x
  3. Step 3: Cross multiply
    227,571,751.70x = 314,015,234.59 × 138,217,197.45
  4. Step 4: Simplify right side
    227,571,751.70x = 43,402,305,682,984,432
  5. Step 5: Solve for x
    x = 43,402,305,682,984,432/227,571,751.70
  6. Step 6: Final answer
    x = 190,719,214.31

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1.5x scale

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.