Home / 300,545,914.80-450,812,454-82,196,257.68

Finding the Fourth Proportional to 300,545,914.80, 450,812,454 and 82,196,257.68

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Solution

The fourth proportional to 300,545,914.80, 450,812,454 and 82,196,257.68 is: 123,292,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,545,914.80 : 450,812,454 = 82,196,257.68 : x
  2. Step 2: Convert to fraction form
    300,545,914.80/450,812,454 = 82,196,257.68/x
  3. Step 3: Cross multiply
    300,545,914.80x = 450,812,454 × 82,196,257.68
  4. Step 4: Simplify right side
    300,545,914.80x = 37,055,096,634,337,152
  5. Step 5: Solve for x
    x = 37,055,096,634,337,152/300,545,914.80
  6. Step 6: Final answer
    x = 123,292,631.21

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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.