Finding the Fourth Proportional to 83,511,509.19, 115,248,525.30 and 48,228,676.05
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Solution
The fourth proportional to 83,511,509.19, 115,248,525.30 and 48,228,676.05 is: 66,557,099.09
Step by Step Solution
- Step 1: Write the proportion equation
83,511,509.19 : 115,248,525.30 = 48,228,676.05 : x - Step 2: Convert to fraction form
83,511,509.19/115,248,525.30 = 48,228,676.05/x - Step 3: Cross multiply
83,511,509.19x = 115,248,525.30 × 48,228,676.05 - Step 4: Simplify right side
83,511,509.19x = 5,558,283,792,366,341 - Step 5: Solve for x
x = 5,558,283,792,366,341/83,511,509.19 - Step 6: Final answer
x = 66,557,099.09
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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.