Finding the Fourth Proportional to 48,119,144.34, 72,149,891.64 and 15,315,543.66
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Solution
The fourth proportional to 48,119,144.34, 72,149,891.64 and 15,315,543.66 is: 22,964,141.00
Step by Step Solution
- Step 1: Write the proportion equation
48,119,144.34 : 72,149,891.64 = 15,315,543.66 : x - Step 2: Convert to fraction form
48,119,144.34/72,149,891.64 = 15,315,543.66/x - Step 3: Cross multiply
48,119,144.34x = 72,149,891.64 × 15,315,543.66 - Step 4: Simplify right side
48,119,144.34x = 1,105,014,815,476,689 - Step 5: Solve for x
x = 1,105,014,815,476,689/48,119,144.34 - Step 6: Final answer
x = 22,964,141.00
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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.