Finding the Fourth Proportional to 69,971,755.42, 96,595,981.24 and 43,518,635.90
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Solution
The fourth proportional to 69,971,755.42, 96,595,981.24 and 43,518,635.90 is: 60,077,459.99
Step by Step Solution
- Step 1: Write the proportion equation
69,971,755.42 : 96,595,981.24 = 43,518,635.90 : x - Step 2: Convert to fraction form
69,971,755.42/96,595,981.24 = 43,518,635.90/x - Step 3: Cross multiply
69,971,755.42x = 96,595,981.24 × 43,518,635.90 - Step 4: Simplify right side
69,971,755.42x = 4,203,725,336,395,014 - Step 5: Solve for x
x = 4,203,725,336,395,014/69,971,755.42 - Step 6: Final answer
x = 60,077,459.99
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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.