Finding the Fourth Proportional to 84,742,678.16, 126,953,578.88 and 50,095,349.36
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Solution
The fourth proportional to 84,742,678.16, 126,953,578.88 and 50,095,349.36 is: 75,048,181.44
Step by Step Solution
- Step 1: Write the proportion equation
84,742,678.16 : 126,953,578.88 = 50,095,349.36 : x - Step 2: Convert to fraction form
84,742,678.16/126,953,578.88 = 50,095,349.36/x - Step 3: Cross multiply
84,742,678.16x = 126,953,578.88 × 50,095,349.36 - Step 4: Simplify right side
84,742,678.16x = 6,359,783,886,495,917 - Step 5: Solve for x
x = 6,359,783,886,495,917/84,742,678.16 - Step 6: Final answer
x = 75,048,181.44
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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.