Finding the Fourth Proportional to 168,812,750.76, 232,956,592.56 and 93,462,436.92
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Solution
The fourth proportional to 168,812,750.76, 232,956,592.56 and 93,462,436.92 is: 128,975,392.79
Step by Step Solution
- Step 1: Write the proportion equation
168,812,750.76 : 232,956,592.56 = 93,462,436.92 : x - Step 2: Convert to fraction form
168,812,750.76/232,956,592.56 = 93,462,436.92/x - Step 3: Cross multiply
168,812,750.76x = 232,956,592.56 × 93,462,436.92 - Step 4: Simplify right side
168,812,750.76x = 21,772,690,837,237,140 - Step 5: Solve for x
x = 21,772,690,837,237,140/168,812,750.76 - Step 6: Final answer
x = 128,975,392.79
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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.