Home / 328,049,137.20-492,079,537.80-98,021,060.40

Finding the Fourth Proportional to 328,049,137.20, 492,079,537.80 and 98,021,060.40

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Solution

The fourth proportional to 328,049,137.20, 492,079,537.80 and 98,021,060.40 is: 147,033,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,049,137.20 : 492,079,537.80 = 98,021,060.40 : x
  2. Step 2: Convert to fraction form
    328,049,137.20/492,079,537.80 = 98,021,060.40/x
  3. Step 3: Cross multiply
    328,049,137.20x = 492,079,537.80 × 98,021,060.40
  4. Step 4: Simplify right side
    328,049,137.20x = 48,234,158,096,297,888
  5. Step 5: Solve for x
    x = 48,234,158,096,297,888/328,049,137.20
  6. Step 6: Final answer
    x = 147,033,333.20

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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.