Finding the Fourth Proportional to 77,768,117.11, 107,323,261.99 and 44,728,375.47
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Solution
The fourth proportional to 77,768,117.11, 107,323,261.99 and 44,728,375.47 is: 61,727,033.35
Step by Step Solution
- Step 1: Write the proportion equation
77,768,117.11 : 107,323,261.99 = 44,728,375.47 : x - Step 2: Convert to fraction form
77,768,117.11/107,323,261.99 = 44,728,375.47/x - Step 3: Cross multiply
77,768,117.11x = 107,323,261.99 × 44,728,375.47 - Step 4: Simplify right side
77,768,117.11x = 4,800,395,158,690,990 - Step 5: Solve for x
x = 4,800,395,158,690,990/77,768,117.11 - Step 6: Final answer
x = 61,727,033.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.