Finding the Fourth Proportional to 80,852,822.45, 121,279,233.68 and 44,447,145.65
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Solution
The fourth proportional to 80,852,822.45, 121,279,233.68 and 44,447,145.65 is: 66,670,718.48
Step by Step Solution
- Step 1: Write the proportion equation
80,852,822.45 : 121,279,233.68 = 44,447,145.65 : x - Step 2: Convert to fraction form
80,852,822.45/121,279,233.68 = 44,447,145.65/x - Step 3: Cross multiply
80,852,822.45x = 121,279,233.68 × 44,447,145.65 - Step 4: Simplify right side
80,852,822.45x = 5,390,515,763,473,109 - Step 5: Solve for x
x = 5,390,515,763,473,109/80,852,822.45 - Step 6: Final answer
x = 66,670,718.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.