Finding the Fourth Proportional to 68,315,244.97, 94,316,041.69 and 42,244,717.81
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Solution
The fourth proportional to 68,315,244.97, 94,316,041.69 and 42,244,717.81 is: 58,323,066.37
Step by Step Solution
- Step 1: Write the proportion equation
68,315,244.97 : 94,316,041.69 = 42,244,717.81 : x - Step 2: Convert to fraction form
68,315,244.97/94,316,041.69 = 42,244,717.81/x - Step 3: Cross multiply
68,315,244.97x = 94,316,041.69 × 42,244,717.81 - Step 4: Simplify right side
68,315,244.97x = 3,984,354,566,150,245.50 - Step 5: Solve for x
x = 3,984,354,566,150,245.50/68,315,244.97 - Step 6: Final answer
x = 58,323,066.37
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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.