Finding the Fourth Proportional to 141,740,574.66, 195,597,709.74 and 78,160,879.62
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Solution
The fourth proportional to 141,740,574.66, 195,597,709.74 and 78,160,879.62 is: 107,859,651.91
Step by Step Solution
- Step 1: Write the proportion equation
141,740,574.66 : 195,597,709.74 = 78,160,879.62 : x - Step 2: Convert to fraction form
141,740,574.66/195,597,709.74 = 78,160,879.62/x - Step 3: Cross multiply
141,740,574.66x = 195,597,709.74 × 78,160,879.62 - Step 4: Simplify right side
141,740,574.66x = 15,288,089,044,935,844 - Step 5: Solve for x
x = 15,288,089,044,935,844/141,740,574.66 - Step 6: Final answer
x = 107,859,651.91
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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.