Finding the Fourth Proportional to 70,959,404.97, 97,924,126.64 and 38,364,356.97
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Solution
The fourth proportional to 70,959,404.97, 97,924,126.64 and 38,364,356.97 is: 52,942,892.51
Step by Step Solution
- Step 1: Write the proportion equation
70,959,404.97 : 97,924,126.64 = 38,364,356.97 : x - Step 2: Convert to fraction form
70,959,404.97/97,924,126.64 = 38,364,356.97/x - Step 3: Cross multiply
70,959,404.97x = 97,924,126.64 × 38,364,356.97 - Step 4: Simplify right side
70,959,404.97x = 3,756,796,150,200,625 - Step 5: Solve for x
x = 3,756,796,150,200,625/70,959,404.97 - Step 6: Final answer
x = 52,942,892.51
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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.