Finding the Fourth Proportional to 84,259,137.94, 116,281,201.39 and 47,089,417.12
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Solution
The fourth proportional to 84,259,137.94, 116,281,201.39 and 47,089,417.12 is: 64,985,402.52
Step by Step Solution
- Step 1: Write the proportion equation
84,259,137.94 : 116,281,201.39 = 47,089,417.12 : x - Step 2: Convert to fraction form
84,259,137.94/116,281,201.39 = 47,089,417.12/x - Step 3: Cross multiply
84,259,137.94x = 116,281,201.39 × 47,089,417.12 - Step 4: Simplify right side
84,259,137.94x = 5,475,613,995,060,007 - Step 5: Solve for x
x = 5,475,613,995,060,007/84,259,137.94 - Step 6: Final answer
x = 64,985,402.52
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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.