Finding the Fourth Proportional to 108,804,963.90, 163,207,445.85 and 76,493,351.10
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Solution
The fourth proportional to 108,804,963.90, 163,207,445.85 and 76,493,351.10 is: 114,740,026.65
Step by Step Solution
- Step 1: Write the proportion equation
108,804,963.90 : 163,207,445.85 = 76,493,351.10 : x - Step 2: Convert to fraction form
108,804,963.90/163,207,445.85 = 76,493,351.10/x - Step 3: Cross multiply
108,804,963.90x = 163,207,445.85 × 76,493,351.10 - Step 4: Simplify right side
108,804,963.90x = 12,484,284,457,538,286 - Step 5: Solve for x
x = 12,484,284,457,538,286/108,804,963.90 - Step 6: Final answer
x = 114,740,026.65
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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.