Finding the Fourth Proportional to 549,072,796.90, 823,608,534.36 and 140,128,991.14
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Solution
The fourth proportional to 549,072,796.90, 823,608,534.36 and 140,128,991.14 is: 210,193,318.02
Step by Step Solution
- Step 1: Write the proportion equation
549,072,796.90 : 823,608,534.36 = 140,128,991.14 : x - Step 2: Convert to fraction form
549,072,796.90/823,608,534.36 = 140,128,991.14/x - Step 3: Cross multiply
549,072,796.90x = 823,608,534.36 × 140,128,991.14 - Step 4: Simplify right side
549,072,796.90x = 115,411,433,014,160,816 - Step 5: Solve for x
x = 115,411,433,014,160,816/549,072,796.90 - Step 6: Final answer
x = 210,193,318.02
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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.