Finding the Fourth Proportional to 347,750,963.80, 521,626,445.70 and 166,352,435.80
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Solution
The fourth proportional to 347,750,963.80, 521,626,445.70 and 166,352,435.80 is: 249,528,653.70
Step by Step Solution
- Step 1: Write the proportion equation
347,750,963.80 : 521,626,445.70 = 166,352,435.80 : x - Step 2: Convert to fraction form
347,750,963.80/521,626,445.70 = 166,352,435.80/x - Step 3: Cross multiply
347,750,963.80x = 521,626,445.70 × 166,352,435.80 - Step 4: Simplify right side
347,750,963.80x = 86,773,829,819,891,440 - Step 5: Solve for x
x = 86,773,829,819,891,440/347,750,963.80 - Step 6: Final answer
x = 249,528,653.70
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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.