Finding the Fourth Proportional to 61,290,172.99, 91,936,959.88 and 15,230,181.52
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Solution
The fourth proportional to 61,290,172.99, 91,936,959.88 and 15,230,181.52 is: 22,845,694.82
Step by Step Solution
- Step 1: Write the proportion equation
61,290,172.99 : 91,936,959.88 = 15,230,181.52 : x - Step 2: Convert to fraction form
61,290,172.99/91,936,959.88 = 15,230,181.52/x - Step 3: Cross multiply
61,290,172.99x = 91,936,959.88 × 15,230,181.52 - Step 4: Simplify right side
61,290,172.99x = 1,400,216,587,369,357.25 - Step 5: Solve for x
x = 1,400,216,587,369,357.25/61,290,172.99 - Step 6: Final answer
x = 22,845,694.82
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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.