Finding the Fourth Proportional to 84,708,909.72, 126,742,717.62 and 50,183,841.60
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Solution
The fourth proportional to 84,708,909.72, 126,742,717.62 and 50,183,841.60 is: 75,085,802.50
Step by Step Solution
- Step 1: Write the proportion equation
84,708,909.72 : 126,742,717.62 = 50,183,841.60 : x - Step 2: Convert to fraction form
84,708,909.72/126,742,717.62 = 50,183,841.60/x - Step 3: Cross multiply
84,708,909.72x = 126,742,717.62 × 50,183,841.60 - Step 4: Simplify right side
84,708,909.72x = 6,360,436,464,995,609 - Step 5: Solve for x
x = 6,360,436,464,995,609/84,708,909.72 - Step 6: Final answer
x = 75,085,802.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.