Finding the Fourth Proportional to 84,975,135.60, 127,462,703.40 and 44,580,370.80
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Solution
The fourth proportional to 84,975,135.60, 127,462,703.40 and 44,580,370.80 is: 66,870,556.20
Step by Step Solution
- Step 1: Write the proportion equation
84,975,135.60 : 127,462,703.40 = 44,580,370.80 : x - Step 2: Convert to fraction form
84,975,135.60/127,462,703.40 = 44,580,370.80/x - Step 3: Cross multiply
84,975,135.60x = 127,462,703.40 × 44,580,370.80 - Step 4: Simplify right side
84,975,135.60x = 5,682,334,580,742,421 - Step 5: Solve for x
x = 5,682,334,580,742,421/84,975,135.60 - Step 6: Final answer
x = 66,870,556.20
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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.