Finding the Fourth Proportional to 325,753,402.60, 488,462,142.30 and 121,176,173.80
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Solution
The fourth proportional to 325,753,402.60, 488,462,142.30 and 121,176,173.80 is: 181,701,781.09
Step by Step Solution
- Step 1: Write the proportion equation
325,753,402.60 : 488,462,142.30 = 121,176,173.80 : x - Step 2: Convert to fraction form
325,753,402.60/488,462,142.30 = 121,176,173.80/x - Step 3: Cross multiply
325,753,402.60x = 488,462,142.30 × 121,176,173.80 - Step 4: Simplify right side
325,753,402.60x = 59,189,973,450,065,128 - Step 5: Solve for x
x = 59,189,973,450,065,128/325,753,402.60 - Step 6: Final answer
x = 181,701,781.09
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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.