Finding the Fourth Proportional to 53,031,902.18, 79,551,215.51 and 16,641,728.82
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Solution
The fourth proportional to 53,031,902.18, 79,551,215.51 and 16,641,728.82 is: 24,963,648.32
Step by Step Solution
- Step 1: Write the proportion equation
53,031,902.18 : 79,551,215.51 = 16,641,728.82 : x - Step 2: Convert to fraction form
53,031,902.18/79,551,215.51 = 16,641,728.82/x - Step 3: Cross multiply
53,031,902.18x = 79,551,215.51 × 16,641,728.82 - Step 4: Simplify right side
53,031,902.18x = 1,323,869,755,735,589.25 - Step 5: Solve for x
x = 1,323,869,755,735,589.25/53,031,902.18 - Step 6: Final answer
x = 24,963,648.32
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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.