Finding the Fourth Proportional to 278,831,027.49, 418,157,806.65 and 92,050,193.13
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Solution
The fourth proportional to 278,831,027.49, 418,157,806.65 and 92,050,193.13 is: 138,045,995.84
Step by Step Solution
- Step 1: Write the proportion equation
278,831,027.49 : 418,157,806.65 = 92,050,193.13 : x - Step 2: Convert to fraction form
278,831,027.49/418,157,806.65 = 92,050,193.13/x - Step 3: Cross multiply
278,831,027.49x = 418,157,806.65 × 92,050,193.13 - Step 4: Simplify right side
278,831,027.49x = 38,491,506,860,949,696 - Step 5: Solve for x
x = 38,491,506,860,949,696/278,831,027.49 - Step 6: Final answer
x = 138,045,995.84
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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.