Finding the Fourth Proportional to 129,929,582.93, 194,918,954.66 and 52,212,536.87
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Solution
The fourth proportional to 129,929,582.93, 194,918,954.66 and 52,212,536.87 is: 78,328,682.95
Step by Step Solution
- Step 1: Write the proportion equation
129,929,582.93 : 194,918,954.66 = 52,212,536.87 : x - Step 2: Convert to fraction form
129,929,582.93/194,918,954.66 = 52,212,536.87/x - Step 3: Cross multiply
129,929,582.93x = 194,918,954.66 × 52,212,536.87 - Step 4: Simplify right side
129,929,582.93x = 10,177,213,106,586,046 - Step 5: Solve for x
x = 10,177,213,106,586,046/129,929,582.93 - Step 6: Final answer
x = 78,328,682.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.