Finding the Fourth Proportional to 78,031,203.48, 117,063,240.60 and 29,507,982.96
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Solution
The fourth proportional to 78,031,203.48, 117,063,240.60 and 29,507,982.96 is: 44,268,189.58
Step by Step Solution
- Step 1: Write the proportion equation
78,031,203.48 : 117,063,240.60 = 29,507,982.96 : x - Step 2: Convert to fraction form
78,031,203.48/117,063,240.60 = 29,507,982.96/x - Step 3: Cross multiply
78,031,203.48x = 117,063,240.60 × 29,507,982.96 - Step 4: Simplify right side
78,031,203.48x = 3,454,300,108,867,180 - Step 5: Solve for x
x = 3,454,300,108,867,180/78,031,203.48 - Step 6: Final answer
x = 44,268,189.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.