Finding the Fourth Proportional to 116,656,984.08, 160,991,242.20 and 67,097,278.26
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Solution
The fourth proportional to 116,656,984.08, 160,991,242.20 and 67,097,278.26 is: 92,596,892.17
Step by Step Solution
- Step 1: Write the proportion equation
116,656,984.08 : 160,991,242.20 = 67,097,278.26 : x - Step 2: Convert to fraction form
116,656,984.08/160,991,242.20 = 67,097,278.26/x - Step 3: Cross multiply
116,656,984.08x = 160,991,242.20 × 67,097,278.26 - Step 4: Simplify right side
116,656,984.08x = 10,802,074,175,316,454 - Step 5: Solve for x
x = 10,802,074,175,316,454/116,656,984.08 - Step 6: Final answer
x = 92,596,892.17
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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.