Finding the Fourth Proportional to 84,685,599.92, 116,823,038.68 and 55,334,092.08
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Solution
The fourth proportional to 84,685,599.92, 116,823,038.68 and 55,334,092.08 is: 76,332,892.32
Step by Step Solution
- Step 1: Write the proportion equation
84,685,599.92 : 116,823,038.68 = 55,334,092.08 : x - Step 2: Convert to fraction form
84,685,599.92/116,823,038.68 = 55,334,092.08/x - Step 3: Cross multiply
84,685,599.92x = 116,823,038.68 × 55,334,092.08 - Step 4: Simplify right side
84,685,599.92x = 6,464,296,779,384,522 - Step 5: Solve for x
x = 6,464,296,779,384,522/84,685,599.92 - Step 6: Final answer
x = 76,332,892.32
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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.