Finding the Fourth Proportional to 74,604,613.30, 111,906,919.95 and 44,296,875.70
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Solution
The fourth proportional to 74,604,613.30, 111,906,919.95 and 44,296,875.70 is: 66,445,313.55
Step by Step Solution
- Step 1: Write the proportion equation
74,604,613.30 : 111,906,919.95 = 44,296,875.70 : x - Step 2: Convert to fraction form
74,604,613.30/111,906,919.95 = 44,296,875.70/x - Step 3: Cross multiply
74,604,613.30x = 111,906,919.95 × 44,296,875.70 - Step 4: Simplify right side
74,604,613.30x = 4,957,126,922,995,001 - Step 5: Solve for x
x = 4,957,126,922,995,001/74,604,613.30 - Step 6: Final answer
x = 66,445,313.55
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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.