Finding the Fourth Proportional to 52,287,216.99, 78,279,368.24 and 39,387,694.20
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Solution
The fourth proportional to 52,287,216.99, 78,279,368.24 and 39,387,694.20 is: 58,967,449.34
Step by Step Solution
- Step 1: Write the proportion equation
52,287,216.99 : 78,279,368.24 = 39,387,694.20 : x - Step 2: Convert to fraction form
52,287,216.99/78,279,368.24 = 39,387,694.20/x - Step 3: Cross multiply
52,287,216.99x = 78,279,368.24 × 39,387,694.20 - Step 4: Simplify right side
52,287,216.99x = 3,083,243,818,602,631 - Step 5: Solve for x
x = 3,083,243,818,602,631/52,287,216.99 - Step 6: Final answer
x = 58,967,449.34
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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.