Home / 227,142,020.40-340,713,030.60-145,512,682.80

Finding the Fourth Proportional to 227,142,020.40, 340,713,030.60 and 145,512,682.80

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Solution

The fourth proportional to 227,142,020.40, 340,713,030.60 and 145,512,682.80 is: 218,269,024.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,142,020.40 : 340,713,030.60 = 145,512,682.80 : x
  2. Step 2: Convert to fraction form
    227,142,020.40/340,713,030.60 = 145,512,682.80/x
  3. Step 3: Cross multiply
    227,142,020.40x = 340,713,030.60 × 145,512,682.80
  4. Step 4: Simplify right side
    227,142,020.40x = 49,578,067,147,524,504
  5. Step 5: Solve for x
    x = 49,578,067,147,524,504/227,142,020.40
  6. Step 6: Final answer
    x = 218,269,024.20

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1.5x scale

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.