Finding the Fourth Proportional to 257,725,243.44, 355,660,893.96 and 141,831,739.44
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Solution
The fourth proportional to 257,725,243.44, 355,660,893.96 and 141,831,739.44 is: 195,727,832.35
Step by Step Solution
- Step 1: Write the proportion equation
257,725,243.44 : 355,660,893.96 = 141,831,739.44 : x - Step 2: Convert to fraction form
257,725,243.44/355,660,893.96 = 141,831,739.44/x - Step 3: Cross multiply
257,725,243.44x = 355,660,893.96 × 141,831,739.44 - Step 4: Simplify right side
257,725,243.44x = 50,444,003,241,132,184 - Step 5: Solve for x
x = 50,444,003,241,132,184/257,725,243.44 - Step 6: Final answer
x = 195,727,832.35
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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.