Finding the Fourth Proportional to 118,569,175.20, 177,853,762.80 and 98,413,783.20
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Solution
The fourth proportional to 118,569,175.20, 177,853,762.80 and 98,413,783.20 is: 147,620,674.80
Step by Step Solution
- Step 1: Write the proportion equation
118,569,175.20 : 177,853,762.80 = 98,413,783.20 : x - Step 2: Convert to fraction form
118,569,175.20/177,853,762.80 = 98,413,783.20/x - Step 3: Cross multiply
118,569,175.20x = 177,853,762.80 × 98,413,783.20 - Step 4: Simplify right side
118,569,175.20x = 17,503,261,653,503,426 - Step 5: Solve for x
x = 17,503,261,653,503,426/118,569,175.20 - Step 6: Final answer
x = 147,620,674.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.