Finding the Fourth Proportional to 32,350,243,702.80, 48,525,365,554.20 and 21,127,721,437.20
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Solution
The fourth proportional to 32,350,243,702.80, 48,525,365,554.20 and 21,127,721,437.20 is: 31,691,582,155.80
Step by Step Solution
- Step 1: Write the proportion equation
32,350,243,702.80 : 48,525,365,554.20 = 21,127,721,437.20 : x - Step 2: Convert to fraction form
32,350,243,702.80/48,525,365,554.20 = 21,127,721,437.20/x - Step 3: Cross multiply
32,350,243,702.80x = 48,525,365,554.20 × 21,127,721,437.20 - Step 4: Simplify right side
32,350,243,702.80x = 1,025,230,406,067,437,830,144 - Step 5: Solve for x
x = 1,025,230,406,067,437,830,144/32,350,243,702.80 - Step 6: Final answer
x = 31,691,582,155.80
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1.5x scale
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.