Home / 207,376,908.60-311,065,362.90-130,450,495.80

Finding the Fourth Proportional to 207,376,908.60, 311,065,362.90 and 130,450,495.80

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Solution

The fourth proportional to 207,376,908.60, 311,065,362.90 and 130,450,495.80 is: 195,675,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,376,908.60 : 311,065,362.90 = 130,450,495.80 : x
  2. Step 2: Convert to fraction form
    207,376,908.60/311,065,362.90 = 130,450,495.80/x
  3. Step 3: Cross multiply
    207,376,908.60x = 311,065,362.90 × 130,450,495.80
  4. Step 4: Simplify right side
    207,376,908.60x = 40,578,630,816,511,920
  5. Step 5: Solve for x
    x = 40,578,630,816,511,920/207,376,908.60
  6. Step 6: Final answer
    x = 195,675,743.70

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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.