Finding the Fourth Proportional to 243,477,304.98, 364,987,339.23 and 81,806,177.94
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Solution
The fourth proportional to 243,477,304.98, 364,987,339.23 and 81,806,177.94 is: 122,632,453.24
Step by Step Solution
- Step 1: Write the proportion equation
243,477,304.98 : 364,987,339.23 = 81,806,177.94 : x - Step 2: Convert to fraction form
243,477,304.98/364,987,339.23 = 81,806,177.94/x - Step 3: Cross multiply
243,477,304.98x = 364,987,339.23 × 81,806,177.94 - Step 4: Simplify right side
243,477,304.98x = 29,858,219,218,896,524 - Step 5: Solve for x
x = 29,858,219,218,896,524/243,477,304.98 - Step 6: Final answer
x = 122,632,453.24
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.