Finding the Fourth Proportional to 287,922,106.67, 397,380,018.62 and 176,474,940.53
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Solution
The fourth proportional to 287,922,106.67, 397,380,018.62 and 176,474,940.53 is: 243,564,538.91
Step by Step Solution
- Step 1: Write the proportion equation
287,922,106.67 : 397,380,018.62 = 176,474,940.53 : x - Step 2: Convert to fraction form
287,922,106.67/397,380,018.62 = 176,474,940.53/x - Step 3: Cross multiply
287,922,106.67x = 397,380,018.62 × 176,474,940.53 - Step 4: Simplify right side
287,922,106.67x = 70,127,615,152,229,080 - Step 5: Solve for x
x = 70,127,615,152,229,080/287,922,106.67 - Step 6: Final answer
x = 243,564,538.91
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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.