Finding the Fourth Proportional to 165,887,998.80, 248,831,998.20 and 122,889,829.20
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Solution
The fourth proportional to 165,887,998.80, 248,831,998.20 and 122,889,829.20 is: 184,334,743.80
Step by Step Solution
- Step 1: Write the proportion equation
165,887,998.80 : 248,831,998.20 = 122,889,829.20 : x - Step 2: Convert to fraction form
165,887,998.80/248,831,998.20 = 122,889,829.20/x - Step 3: Cross multiply
165,887,998.80x = 248,831,998.20 × 122,889,829.20 - Step 4: Simplify right side
165,887,998.80x = 30,578,921,758,292,708 - Step 5: Solve for x
x = 30,578,921,758,292,708/165,887,998.80 - Step 6: Final answer
x = 184,334,743.80
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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.