Finding the Fourth Proportional to 194,941,128.80, 292,411,693.20 and 173,777,967.20
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Solution
The fourth proportional to 194,941,128.80, 292,411,693.20 and 173,777,967.20 is: 260,666,950.80
Step by Step Solution
- Step 1: Write the proportion equation
194,941,128.80 : 292,411,693.20 = 173,777,967.20 : x - Step 2: Convert to fraction form
194,941,128.80/292,411,693.20 = 173,777,967.20/x - Step 3: Cross multiply
194,941,128.80x = 292,411,693.20 × 173,777,967.20 - Step 4: Simplify right side
194,941,128.80x = 50,814,709,629,806,056 - Step 5: Solve for x
x = 50,814,709,629,806,056/194,941,128.80 - Step 6: Final answer
x = 260,666,950.80
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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.