Finding the Fourth Proportional to 86,687,660.97, 129,858,226.38 and 52,125,138.63
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Solution
The fourth proportional to 86,687,660.97, 129,858,226.38 and 52,125,138.63 is: 78,083,523.96
Step by Step Solution
- Step 1: Write the proportion equation
86,687,660.97 : 129,858,226.38 = 52,125,138.63 : x - Step 2: Convert to fraction form
86,687,660.97/129,858,226.38 = 52,125,138.63/x - Step 3: Cross multiply
86,687,660.97x = 129,858,226.38 × 52,125,138.63 - Step 4: Simplify right side
86,687,660.97x = 6,768,878,052,303,423 - Step 5: Solve for x
x = 6,768,878,052,303,423/86,687,660.97 - Step 6: Final answer
x = 78,083,523.96
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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.