Finding the Fourth Proportional to 74,126,821.26, 102,298,788.99 and 42,753,202.98
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Solution
The fourth proportional to 74,126,821.26, 102,298,788.99 and 42,753,202.98 is: 59,001,597.75
Step by Step Solution
- Step 1: Write the proportion equation
74,126,821.26 : 102,298,788.99 = 42,753,202.98 : x - Step 2: Convert to fraction form
74,126,821.26/102,298,788.99 = 42,753,202.98/x - Step 3: Cross multiply
74,126,821.26x = 102,298,788.99 × 42,753,202.98 - Step 4: Simplify right side
74,126,821.26x = 4,373,600,890,297,658.50 - Step 5: Solve for x
x = 4,373,600,890,297,658.50/74,126,821.26 - Step 6: Final answer
x = 59,001,597.75
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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.