Finding the Fourth Proportional to 84,352,273.92, 116,430,885.36 and 49,078,378.08
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Solution
The fourth proportional to 84,352,273.92, 116,430,885.36 and 49,078,378.08 is: 67,742,560.41
Step by Step Solution
- Step 1: Write the proportion equation
84,352,273.92 : 116,430,885.36 = 49,078,378.08 : x - Step 2: Convert to fraction form
84,352,273.92/116,430,885.36 = 49,078,378.08/x - Step 3: Cross multiply
84,352,273.92x = 116,430,885.36 × 49,078,378.08 - Step 4: Simplify right side
84,352,273.92x = 5,714,239,011,887,217 - Step 5: Solve for x
x = 5,714,239,011,887,217/84,352,273.92 - Step 6: Final answer
x = 67,742,560.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.