Finding the Fourth Proportional to 96,553,513.40, 144,998,231.70 and 51,203,881.40
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Solution
The fourth proportional to 96,553,513.40, 144,998,231.70 and 51,203,881.40 is: 76,894,894.84
Step by Step Solution
- Step 1: Write the proportion equation
96,553,513.40 : 144,998,231.70 = 51,203,881.40 : x - Step 2: Convert to fraction form
96,553,513.40/144,998,231.70 = 51,203,881.40/x - Step 3: Cross multiply
96,553,513.40x = 144,998,231.70 × 51,203,881.40 - Step 4: Simplify right side
96,553,513.40x = 7,424,472,259,176,520 - Step 5: Solve for x
x = 7,424,472,259,176,520/96,553,513.40 - Step 6: Final answer
x = 76,894,894.84
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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.