Finding the Fourth Proportional to 199,417,175.29, 275,241,618.42 and 116,937,532.09
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Solution
The fourth proportional to 199,417,175.29, 275,241,618.42 and 116,937,532.09 is: 161,400,719.57
Step by Step Solution
- Step 1: Write the proportion equation
199,417,175.29 : 275,241,618.42 = 116,937,532.09 : x - Step 2: Convert to fraction form
199,417,175.29/275,241,618.42 = 116,937,532.09/x - Step 3: Cross multiply
199,417,175.29x = 275,241,618.42 × 116,937,532.09 - Step 4: Simplify right side
199,417,175.29x = 32,186,075,585,506,572 - Step 5: Solve for x
x = 32,186,075,585,506,572/199,417,175.29 - Step 6: Final answer
x = 161,400,719.57
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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.