Finding the Fourth Proportional to 70,136,747.97, 96,791,701.35 and 39,196,916.34
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Solution
The fourth proportional to 70,136,747.97, 96,791,701.35 and 39,196,916.34 is: 54,093,415.08
Step by Step Solution
- Step 1: Write the proportion equation
70,136,747.97 : 96,791,701.35 = 39,196,916.34 : x - Step 2: Convert to fraction form
70,136,747.97/96,791,701.35 = 39,196,916.34/x - Step 3: Cross multiply
70,136,747.97x = 96,791,701.35 × 39,196,916.34 - Step 4: Simplify right side
70,136,747.97x = 3,793,936,220,222,215 - Step 5: Solve for x
x = 3,793,936,220,222,215/70,136,747.97 - Step 6: Final answer
x = 54,093,415.08
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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.