Finding the Fourth Proportional to 168,176,747.21, 232,084,552.83 and 93,840,440.88
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Solution
The fourth proportional to 168,176,747.21, 232,084,552.83 and 93,840,440.88 is: 129,500,166.46
Step by Step Solution
- Step 1: Write the proportion equation
168,176,747.21 : 232,084,552.83 = 93,840,440.88 : x - Step 2: Convert to fraction form
168,176,747.21/232,084,552.83 = 93,840,440.88/x - Step 3: Cross multiply
168,176,747.21x = 232,084,552.83 × 93,840,440.88 - Step 4: Simplify right side
168,176,747.21x = 21,778,916,758,217,788 - Step 5: Solve for x
x = 21,778,916,758,217,788/168,176,747.21 - Step 6: Final answer
x = 129,500,166.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.