Finding the Fourth Proportional to 107,188,557.48, 147,920,282.28 and 60,139,135.98
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Solution
The fourth proportional to 107,188,557.48, 147,920,282.28 and 60,139,135.98 is: 82,992,048.59
Step by Step Solution
- Step 1: Write the proportion equation
107,188,557.48 : 147,920,282.28 = 60,139,135.98 : x - Step 2: Convert to fraction form
107,188,557.48/147,920,282.28 = 60,139,135.98/x - Step 3: Cross multiply
107,188,557.48x = 147,920,282.28 × 60,139,135.98 - Step 4: Simplify right side
107,188,557.48x = 8,895,797,970,236,904 - Step 5: Solve for x
x = 8,895,797,970,236,904/107,188,557.48 - Step 6: Final answer
x = 82,992,048.59
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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.