Finding the Fourth Proportional to 124,415,741.40, 186,623,612.10 and 88,136,035.80
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Solution
The fourth proportional to 124,415,741.40, 186,623,612.10 and 88,136,035.80 is: 132,204,053.70
Step by Step Solution
- Step 1: Write the proportion equation
124,415,741.40 : 186,623,612.10 = 88,136,035.80 : x - Step 2: Convert to fraction form
124,415,741.40/186,623,612.10 = 88,136,035.80/x - Step 3: Cross multiply
124,415,741.40x = 186,623,612.10 × 88,136,035.80 - Step 4: Simplify right side
124,415,741.40x = 16,448,265,357,170,912 - Step 5: Solve for x
x = 16,448,265,357,170,912/124,415,741.40 - Step 6: Final answer
x = 132,204,053.70
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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.