Finding the Fourth Proportional to 275,295,785.37, 379,918,208.98 and 149,841,918.17
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Solution
The fourth proportional to 275,295,785.37, 379,918,208.98 and 149,841,918.17 is: 206,787,303.72
Step by Step Solution
- Step 1: Write the proportion equation
275,295,785.37 : 379,918,208.98 = 149,841,918.17 : x - Step 2: Convert to fraction form
275,295,785.37/379,918,208.98 = 149,841,918.17/x - Step 3: Cross multiply
275,295,785.37x = 379,918,208.98 × 149,841,918.17 - Step 4: Simplify right side
275,295,785.37x = 56,927,673,183,541,216 - Step 5: Solve for x
x = 56,927,673,183,541,216/275,295,785.37 - Step 6: Final answer
x = 206,787,303.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.