Finding the Fourth Proportional to 268,367,090.90, 402,550,636.35 and 115,028,647.70
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Solution
The fourth proportional to 268,367,090.90, 402,550,636.35 and 115,028,647.70 is: 172,542,971.55
Step by Step Solution
- Step 1: Write the proportion equation
268,367,090.90 : 402,550,636.35 = 115,028,647.70 : x - Step 2: Convert to fraction form
268,367,090.90/402,550,636.35 = 115,028,647.70/x - Step 3: Cross multiply
268,367,090.90x = 402,550,636.35 × 115,028,647.70 - Step 4: Simplify right side
268,367,090.90x = 46,304,855,330,114,968 - Step 5: Solve for x
x = 46,304,855,330,114,968/268,367,090.90 - Step 6: Final answer
x = 172,542,971.55
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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.