Finding the Fourth Proportional to 52,330,061.28, 78,497,256.21 and 15,441,951.62
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Solution
The fourth proportional to 52,330,061.28, 78,497,256.21 and 15,441,951.62 is: 23,163,566.09
Step by Step Solution
- Step 1: Write the proportion equation
52,330,061.28 : 78,497,256.21 = 15,441,951.62 : x - Step 2: Convert to fraction form
52,330,061.28/78,497,256.21 = 15,441,951.62/x - Step 3: Cross multiply
52,330,061.28x = 78,497,256.21 × 15,441,951.62 - Step 4: Simplify right side
52,330,061.28x = 1,212,150,832,697,564.50 - Step 5: Solve for x
x = 1,212,150,832,697,564.50/52,330,061.28 - Step 6: Final answer
x = 23,163,566.09
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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.