Finding the Fourth Proportional to 135,431,697.91, 186,896,841.40 and 73,552,479.34
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Solution
The fourth proportional to 135,431,697.91, 186,896,841.40 and 73,552,479.34 is: 101,503,017.96
Step by Step Solution
- Step 1: Write the proportion equation
135,431,697.91 : 186,896,841.40 = 73,552,479.34 : x - Step 2: Convert to fraction form
135,431,697.91/186,896,841.40 = 73,552,479.34/x - Step 3: Cross multiply
135,431,697.91x = 186,896,841.40 × 73,552,479.34 - Step 4: Simplify right side
135,431,697.91x = 13,746,726,065,416,996 - Step 5: Solve for x
x = 13,746,726,065,416,996/135,431,697.91 - Step 6: Final answer
x = 101,503,017.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.