Finding the Fourth Proportional to 121,788,720.70, 182,683,081.05 and 118,201,493.95
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Solution
The fourth proportional to 121,788,720.70, 182,683,081.05 and 118,201,493.95 is: 177,302,240.93
Step by Step Solution
- Step 1: Write the proportion equation
121,788,720.70 : 182,683,081.05 = 118,201,493.95 : x - Step 2: Convert to fraction form
121,788,720.70/182,683,081.05 = 118,201,493.95/x - Step 3: Cross multiply
121,788,720.70x = 182,683,081.05 × 118,201,493.95 - Step 4: Simplify right side
121,788,720.70x = 21,593,413,099,498,936 - Step 5: Solve for x
x = 21,593,413,099,498,936/121,788,720.70 - Step 6: Final answer
x = 177,302,240.93
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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.