Finding the Fourth Proportional to 86,316,043.97, 129,386,824.46 and 37,163,958.44
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Solution
The fourth proportional to 86,316,043.97, 129,386,824.46 and 37,163,958.44 is: 55,708,375.25
Step by Step Solution
- Step 1: Write the proportion equation
86,316,043.97 : 129,386,824.46 = 37,163,958.44 : x - Step 2: Convert to fraction form
86,316,043.97/129,386,824.46 = 37,163,958.44/x - Step 3: Cross multiply
86,316,043.97x = 129,386,824.46 × 37,163,958.44 - Step 4: Simplify right side
86,316,043.97x = 4,808,526,567,331,393 - Step 5: Solve for x
x = 4,808,526,567,331,393/86,316,043.97 - Step 6: Final answer
x = 55,708,375.25
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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.