Finding the Fourth Proportional to 86,304,929.82, 119,129,186.19 and 68,696,132.46
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Solution
The fourth proportional to 86,304,929.82, 119,129,186.19 and 68,696,132.46 is: 94,823,254.84
Step by Step Solution
- Step 1: Write the proportion equation
86,304,929.82 : 119,129,186.19 = 68,696,132.46 : x - Step 2: Convert to fraction form
86,304,929.82/119,129,186.19 = 68,696,132.46/x - Step 3: Cross multiply
86,304,929.82x = 119,129,186.19 × 68,696,132.46 - Step 4: Simplify right side
86,304,929.82x = 8,183,714,354,360,242 - Step 5: Solve for x
x = 8,183,714,354,360,242/86,304,929.82 - Step 6: Final answer
x = 94,823,254.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.