Finding the Fourth Proportional to 168,518,292.60, 232,562,425.89 and 94,178,850.99
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Solution
The fourth proportional to 168,518,292.60, 232,562,425.89 and 94,178,850.99 is: 129,970,828.19
Step by Step Solution
- Step 1: Write the proportion equation
168,518,292.60 : 232,562,425.89 = 94,178,850.99 : x - Step 2: Convert to fraction form
168,518,292.60/232,562,425.89 = 94,178,850.99/x - Step 3: Cross multiply
168,518,292.60x = 232,562,425.89 × 94,178,850.99 - Step 4: Simplify right side
168,518,292.60x = 21,902,462,053,767,224 - Step 5: Solve for x
x = 21,902,462,053,767,224/168,518,292.60 - Step 6: Final answer
x = 129,970,828.19
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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.