Finding the Fourth Proportional to 112,293,612.80, 168,440,419.20 and 27,193,068.80
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Solution
The fourth proportional to 112,293,612.80, 168,440,419.20 and 27,193,068.80 is: 40,789,603.20
Step by Step Solution
- Step 1: Write the proportion equation
112,293,612.80 : 168,440,419.20 = 27,193,068.80 : x - Step 2: Convert to fraction form
112,293,612.80/168,440,419.20 = 27,193,068.80/x - Step 3: Cross multiply
112,293,612.80x = 168,440,419.20 × 27,193,068.80 - Step 4: Simplify right side
112,293,612.80x = 4,580,411,908,006,441 - Step 5: Solve for x
x = 4,580,411,908,006,441/112,293,612.80 - Step 6: Final answer
x = 40,789,603.20
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1.5x scale
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.