Finding the Fourth Proportional to 84,259,141.31, 116,281,206.05 and 47,089,420.49
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Solution
The fourth proportional to 84,259,141.31, 116,281,206.05 and 47,089,420.49 is: 64,985,407.18
Step by Step Solution
- Step 1: Write the proportion equation
84,259,141.31 : 116,281,206.05 = 47,089,420.49 : x - Step 2: Convert to fraction form
84,259,141.31/116,281,206.05 = 47,089,420.49/x - Step 3: Cross multiply
84,259,141.31x = 116,281,206.05 × 47,089,420.49 - Step 4: Simplify right side
84,259,141.31x = 5,475,614,606,828,038 - Step 5: Solve for x
x = 5,475,614,606,828,038/84,259,141.31 - Step 6: Final answer
x = 64,985,407.18
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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.