Finding the Fourth Proportional to 75,260,612.35, 112,877,902.23 and 19,929,243.23
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Solution
The fourth proportional to 75,260,612.35, 112,877,902.23 and 19,929,243.23 is: 29,890,418.08
Step by Step Solution
- Step 1: Write the proportion equation
75,260,612.35 : 112,877,902.23 = 19,929,243.23 : x - Step 2: Convert to fraction form
75,260,612.35/112,877,902.23 = 19,929,243.23/x - Step 3: Cross multiply
75,260,612.35x = 112,877,902.23 × 19,929,243.23 - Step 4: Simplify right side
75,260,612.35x = 2,249,571,168,169,793.75 - Step 5: Solve for x
x = 2,249,571,168,169,793.75/75,260,612.35 - Step 6: Final answer
x = 29,890,418.08
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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.