Finding the Fourth Proportional to 233,959,821.20, 322,874,639.64 and 129,537,891.68
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Solution
The fourth proportional to 233,959,821.20, 322,874,639.64 and 129,537,891.68 is: 178,767,875.11
Step by Step Solution
- Step 1: Write the proportion equation
233,959,821.20 : 322,874,639.64 = 129,537,891.68 : x - Step 2: Convert to fraction form
233,959,821.20/322,874,639.64 = 129,537,891.68/x - Step 3: Cross multiply
233,959,821.20x = 322,874,639.64 × 129,537,891.68 - Step 4: Simplify right side
233,959,821.20x = 41,824,500,095,905,352 - Step 5: Solve for x
x = 41,824,500,095,905,352/233,959,821.20 - Step 6: Final answer
x = 178,767,875.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.