Finding the Fourth Proportional to 88,089,347.20, 132,134,020.80 and 65,414,531.20
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Solution
The fourth proportional to 88,089,347.20, 132,134,020.80 and 65,414,531.20 is: 98,121,796.80
Step by Step Solution
- Step 1: Write the proportion equation
88,089,347.20 : 132,134,020.80 = 65,414,531.20 : x - Step 2: Convert to fraction form
88,089,347.20/132,134,020.80 = 65,414,531.20/x - Step 3: Cross multiply
88,089,347.20x = 132,134,020.80 × 65,414,531.20 - Step 4: Simplify right side
88,089,347.20x = 8,643,485,026,203,049 - Step 5: Solve for x
x = 8,643,485,026,203,049/88,089,347.20 - Step 6: Final answer
x = 98,121,796.80
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1.5x scale
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.