Finding the Fourth Proportional to 98,267,380.40, 135,604,251.84 and 53,610,693.68
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Solution
The fourth proportional to 98,267,380.40, 135,604,251.84 and 53,610,693.68 is: 73,980,175.08
Step by Step Solution
- Step 1: Write the proportion equation
98,267,380.40 : 135,604,251.84 = 53,610,693.68 : x - Step 2: Convert to fraction form
98,267,380.40/135,604,251.84 = 53,610,693.68/x - Step 3: Cross multiply
98,267,380.40x = 135,604,251.84 × 53,610,693.68 - Step 4: Simplify right side
98,267,380.40x = 7,269,838,007,099,817 - Step 5: Solve for x
x = 7,269,838,007,099,817/98,267,380.40 - Step 6: Final answer
x = 73,980,175.08
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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.