Finding the Fourth Proportional to 157,609,103.60, 236,413,655.41 and 97,142,927.60
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Solution
The fourth proportional to 157,609,103.60, 236,413,655.41 and 97,142,927.60 is: 145,714,391.41
Step by Step Solution
- Step 1: Write the proportion equation
157,609,103.60 : 236,413,655.41 = 97,142,927.60 : x - Step 2: Convert to fraction form
157,609,103.60/236,413,655.41 = 97,142,927.60/x - Step 3: Cross multiply
157,609,103.60x = 236,413,655.41 × 97,142,927.60 - Step 4: Simplify right side
157,609,103.60x = 22,965,914,611,144,976 - Step 5: Solve for x
x = 22,965,914,611,144,976/157,609,103.60 - Step 6: Final answer
x = 145,714,391.41
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1.5x scale
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.