Finding the Fourth Proportional to 80,852,756.08, 121,279,134.12 and 44,447,079.28
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Solution
The fourth proportional to 80,852,756.08, 121,279,134.12 and 44,447,079.28 is: 66,670,618.91
Step by Step Solution
- Step 1: Write the proportion equation
80,852,756.08 : 121,279,134.12 = 44,447,079.28 : x - Step 2: Convert to fraction form
80,852,756.08/121,279,134.12 = 44,447,079.28/x - Step 3: Cross multiply
80,852,756.08x = 121,279,134.12 × 44,447,079.28 - Step 4: Simplify right side
80,852,756.08x = 5,390,503,288,412,762 - Step 5: Solve for x
x = 5,390,503,288,412,762/80,852,756.08 - Step 6: Final answer
x = 66,670,618.91
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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.