Finding the Fourth Proportional to 68,486,780.16, 94,506,511.32 and 39,114,057.96
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Solution
The fourth proportional to 68,486,780.16, 94,506,511.32 and 39,114,057.96 is: 53,974,404.30
Step by Step Solution
- Step 1: Write the proportion equation
68,486,780.16 : 94,506,511.32 = 39,114,057.96 : x - Step 2: Convert to fraction form
68,486,780.16/94,506,511.32 = 39,114,057.96/x - Step 3: Cross multiply
68,486,780.16x = 94,506,511.32 × 39,114,057.96 - Step 4: Simplify right side
68,486,780.16x = 3,696,533,161,367,876 - Step 5: Solve for x
x = 3,696,533,161,367,876/68,486,780.16 - Step 6: Final answer
x = 53,974,404.30
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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.