Finding the Fourth Proportional to 249,964,153.93, 374,964,191.70 and 86,199,554.62
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Solution
The fourth proportional to 249,964,153.93, 374,964,191.70 and 86,199,554.62 is: 129,305,525.67
Step by Step Solution
- Step 1: Write the proportion equation
249,964,153.93 : 374,964,191.70 = 86,199,554.62 : x - Step 2: Convert to fraction form
249,964,153.93/374,964,191.70 = 86,199,554.62/x - Step 3: Cross multiply
249,964,153.93x = 374,964,191.70 × 86,199,554.62 - Step 4: Simplify right side
249,964,153.93x = 32,321,746,322,988,300 - Step 5: Solve for x
x = 32,321,746,322,988,300/249,964,153.93 - Step 6: Final answer
x = 129,305,525.67
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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.