Finding the Fourth Proportional to 107,835,118.20, 161,752,677.30 and 97,085,575.80
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Solution
The fourth proportional to 107,835,118.20, 161,752,677.30 and 97,085,575.80 is: 145,628,363.70
Step by Step Solution
- Step 1: Write the proportion equation
107,835,118.20 : 161,752,677.30 = 97,085,575.80 : x - Step 2: Convert to fraction form
107,835,118.20/161,752,677.30 = 97,085,575.80/x - Step 3: Cross multiply
107,835,118.20x = 161,752,677.30 × 97,085,575.80 - Step 4: Simplify right side
107,835,118.20x = 15,703,851,812,862,090 - Step 5: Solve for x
x = 15,703,851,812,862,090/107,835,118.20 - Step 6: Final answer
x = 145,628,363.70
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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.