Finding the Fourth Proportional to 212,827,316.24, 293,676,739.08 and 120,002,292.56
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Solution
The fourth proportional to 212,827,316.24, 293,676,739.08 and 120,002,292.56 is: 165,589,091.59
Step by Step Solution
- Step 1: Write the proportion equation
212,827,316.24 : 293,676,739.08 = 120,002,292.56 : x - Step 2: Convert to fraction form
212,827,316.24/293,676,739.08 = 120,002,292.56/x - Step 3: Cross multiply
212,827,316.24x = 293,676,739.08 × 120,002,292.56 - Step 4: Simplify right side
212,827,316.24x = 35,241,881,961,144,944 - Step 5: Solve for x
x = 35,241,881,961,144,944/212,827,316.24 - Step 6: Final answer
x = 165,589,091.59
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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.