Finding the Fourth Proportional to 98,293,850.08, 135,672,495.96 and 57,054,028.48
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Solution
The fourth proportional to 98,293,850.08, 135,672,495.96 and 57,054,028.48 is: 78,750,221.32
Step by Step Solution
- Step 1: Write the proportion equation
98,293,850.08 : 135,672,495.96 = 57,054,028.48 : x - Step 2: Convert to fraction form
98,293,850.08/135,672,495.96 = 57,054,028.48/x - Step 3: Cross multiply
98,293,850.08x = 135,672,495.96 × 57,054,028.48 - Step 4: Simplify right side
98,293,850.08x = 7,740,662,448,454,525 - Step 5: Solve for x
x = 7,740,662,448,454,525/98,293,850.08 - Step 6: Final answer
x = 78,750,221.32
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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.