Finding the Fourth Proportional to 53,134,907.42, 79,633,929.63 and 25,788,278.18
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Solution
The fourth proportional to 53,134,907.42, 79,633,929.63 and 25,788,278.18 is: 38,649,205.01
Step by Step Solution
- Step 1: Write the proportion equation
53,134,907.42 : 79,633,929.63 = 25,788,278.18 : x - Step 2: Convert to fraction form
53,134,907.42/79,633,929.63 = 25,788,278.18/x - Step 3: Cross multiply
53,134,907.42x = 79,633,929.63 × 25,788,278.18 - Step 4: Simplify right side
53,134,907.42x = 2,053,621,929,864,984.25 - Step 5: Solve for x
x = 2,053,621,929,864,984.25/53,134,907.42 - Step 6: Final answer
x = 38,649,205.01
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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.