Finding the Fourth Proportional to 66,877,228.80, 100,221,364.80 and 49,469,583.60
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Solution
The fourth proportional to 66,877,228.80, 100,221,364.80 and 49,469,583.60 is: 74,134,489.02
Step by Step Solution
- Step 1: Write the proportion equation
66,877,228.80 : 100,221,364.80 = 49,469,583.60 : x - Step 2: Convert to fraction form
66,877,228.80/100,221,364.80 = 49,469,583.60/x - Step 3: Cross multiply
66,877,228.80x = 100,221,364.80 × 49,469,583.60 - Step 4: Simplify right side
66,877,228.80x = 4,957,909,184,479,697 - Step 5: Solve for x
x = 4,957,909,184,479,697/66,877,228.80 - Step 6: Final answer
x = 74,134,489.02
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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.