Finding the Fourth Proportional to 64,519,271.70, 96,778,907.55 and 53,181,863.70
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Solution
The fourth proportional to 64,519,271.70, 96,778,907.55 and 53,181,863.70 is: 79,772,795.55
Step by Step Solution
- Step 1: Write the proportion equation
64,519,271.70 : 96,778,907.55 = 53,181,863.70 : x - Step 2: Convert to fraction form
64,519,271.70/96,778,907.55 = 53,181,863.70/x - Step 3: Cross multiply
64,519,271.70x = 96,778,907.55 × 53,181,863.70 - Step 4: Simplify right side
64,519,271.70x = 5,146,882,670,359,001 - Step 5: Solve for x
x = 5,146,882,670,359,001/64,519,271.70 - Step 6: Final answer
x = 79,772,795.55
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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.