Finding the Fourth Proportional to 97,934,518.80, 146,901,778.20 and 29,777,101.20
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Solution
The fourth proportional to 97,934,518.80, 146,901,778.20 and 29,777,101.20 is: 44,665,651.80
Step by Step Solution
- Step 1: Write the proportion equation
97,934,518.80 : 146,901,778.20 = 29,777,101.20 : x - Step 2: Convert to fraction form
97,934,518.80/146,901,778.20 = 29,777,101.20/x - Step 3: Cross multiply
97,934,518.80x = 146,901,778.20 × 29,777,101.20 - Step 4: Simplify right side
97,934,518.80x = 4,374,309,115,921,353.50 - Step 5: Solve for x
x = 4,374,309,115,921,353.50/97,934,518.80 - Step 6: Final answer
x = 44,665,651.80
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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.