Home / 300,399,566.92-450,650,220.54-103,609,545.32

Finding the Fourth Proportional to 300,399,566.92, 450,650,220.54 and 103,609,545.32

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Solution

The fourth proportional to 300,399,566.92, 450,650,220.54 and 103,609,545.32 is: 155,431,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,399,566.92 : 450,650,220.54 = 103,609,545.32 : x
  2. Step 2: Convert to fraction form
    300,399,566.92/450,650,220.54 = 103,609,545.32/x
  3. Step 3: Cross multiply
    300,399,566.92x = 450,650,220.54 × 103,609,545.32
  4. Step 4: Simplify right side
    300,399,566.92x = 46,691,664,448,507,120
  5. Step 5: Solve for x
    x = 46,691,664,448,507,120/300,399,566.92
  6. Step 6: Final answer
    x = 155,431,863.39

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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.