Finding the Fourth Proportional to 132,663,083.70, 198,994,625.55 and 40,546,643.70
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Solution
The fourth proportional to 132,663,083.70, 198,994,625.55 and 40,546,643.70 is: 60,819,965.55
Step by Step Solution
- Step 1: Write the proportion equation
132,663,083.70 : 198,994,625.55 = 40,546,643.70 : x - Step 2: Convert to fraction form
132,663,083.70/198,994,625.55 = 40,546,643.70/x - Step 3: Cross multiply
132,663,083.70x = 198,994,625.55 × 40,546,643.70 - Step 4: Simplify right side
132,663,083.70x = 8,068,564,180,390,768 - Step 5: Solve for x
x = 8,068,564,180,390,768/132,663,083.70 - Step 6: Final answer
x = 60,819,965.55
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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.