Finding the Fourth Proportional to 291,701,966.04, 402,503,997.42 and 167,918,725.08
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Solution
The fourth proportional to 291,701,966.04, 402,503,997.42 and 167,918,725.08 is: 231,702,099.93
Step by Step Solution
- Step 1: Write the proportion equation
291,701,966.04 : 402,503,997.42 = 167,918,725.08 : x - Step 2: Convert to fraction form
291,701,966.04/402,503,997.42 = 167,918,725.08/x - Step 3: Cross multiply
291,701,966.04x = 402,503,997.42 × 167,918,725.08 - Step 4: Simplify right side
291,701,966.04x = 67,587,958,086,370,016 - Step 5: Solve for x
x = 67,587,958,086,370,016/291,701,966.04 - Step 6: Final answer
x = 231,702,099.93
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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.