Home / 113,421,990.80-170,132,986.20-107,450,022.80

Finding the Fourth Proportional to 113,421,990.80, 170,132,986.20 and 107,450,022.80

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Solution

The fourth proportional to 113,421,990.80, 170,132,986.20 and 107,450,022.80 is: 161,175,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421,990.80 : 170,132,986.20 = 107,450,022.80 : x
  2. Step 2: Convert to fraction form
    113,421,990.80/170,132,986.20 = 107,450,022.80/x
  3. Step 3: Cross multiply
    113,421,990.80x = 170,132,986.20 × 107,450,022.80
  4. Step 4: Simplify right side
    113,421,990.80x = 18,280,793,246,222,084
  5. Step 5: Solve for x
    x = 18,280,793,246,222,084/113,421,990.80
  6. Step 6: Final answer
    x = 161,175,034.20

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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.