Finding the Fourth Proportional to 88,938,245.40, 133,407,368.10 and 88,087,939.80
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Solution
The fourth proportional to 88,938,245.40, 133,407,368.10 and 88,087,939.80 is: 132,131,909.70
Step by Step Solution
- Step 1: Write the proportion equation
88,938,245.40 : 133,407,368.10 = 88,087,939.80 : x - Step 2: Convert to fraction form
88,938,245.40/133,407,368.10 = 88,087,939.80/x - Step 3: Cross multiply
88,938,245.40x = 133,407,368.10 × 88,087,939.80 - Step 4: Simplify right side
88,938,245.40x = 11,751,580,210,069,240 - Step 5: Solve for x
x = 11,751,580,210,069,240/88,938,245.40 - Step 6: Final answer
x = 132,131,909.70
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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.