Home / 31,178,100,428.80-46,767,150,643.20-25,300,788,121.60

Finding the Fourth Proportional to 31,178,100,428.80, 46,767,150,643.20 and 25,300,788,121.60

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Solution

The fourth proportional to 31,178,100,428.80, 46,767,150,643.20 and 25,300,788,121.60 is: 37,951,182,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,178,100,428.80 : 46,767,150,643.20 = 25,300,788,121.60 : x
  2. Step 2: Convert to fraction form
    31,178,100,428.80/46,767,150,643.20 = 25,300,788,121.60/x
  3. Step 3: Cross multiply
    31,178,100,428.80x = 46,767,150,643.20 × 25,300,788,121.60
  4. Step 4: Simplify right side
    31,178,100,428.80x = 1,183,245,769,474,552,102,912
  5. Step 5: Solve for x
    x = 1,183,245,769,474,552,102,912/31,178,100,428.80
  6. Step 6: Final answer
    x = 37,951,182,182.40

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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.