Finding the Fourth Proportional to 71,272,250.88, 98,355,769.20 and 38,677,202.88
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Solution
The fourth proportional to 71,272,250.88, 98,355,769.20 and 38,677,202.88 is: 53,374,574.15
Step by Step Solution
- Step 1: Write the proportion equation
71,272,250.88 : 98,355,769.20 = 38,677,202.88 : x - Step 2: Convert to fraction form
71,272,250.88/98,355,769.20 = 38,677,202.88/x - Step 3: Cross multiply
71,272,250.88x = 98,355,769.20 × 38,677,202.88 - Step 4: Simplify right side
71,272,250.88x = 3,804,126,039,766,855.50 - Step 5: Solve for x
x = 3,804,126,039,766,855.50/71,272,250.88 - Step 6: Final answer
x = 53,374,574.15
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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.