Finding the Fourth Proportional to 96,924,880.40, 145,387,320.60 and 69,715,101.20
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Solution
The fourth proportional to 96,924,880.40, 145,387,320.60 and 69,715,101.20 is: 104,572,651.80
Step by Step Solution
- Step 1: Write the proportion equation
96,924,880.40 : 145,387,320.60 = 69,715,101.20 : x - Step 2: Convert to fraction form
96,924,880.40/145,387,320.60 = 69,715,101.20/x - Step 3: Cross multiply
96,924,880.40x = 145,387,320.60 × 69,715,101.20 - Step 4: Simplify right side
96,924,880.40x = 10,135,691,768,825,844 - Step 5: Solve for x
x = 10,135,691,768,825,844/96,924,880.40 - Step 6: Final answer
x = 104,572,651.80
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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.