Finding the Fourth Proportional to 157,609,105.10, 236,413,657.65 and 97,142,929.10
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Solution
The fourth proportional to 157,609,105.10, 236,413,657.65 and 97,142,929.10 is: 145,714,393.65
Step by Step Solution
- Step 1: Write the proportion equation
157,609,105.10 : 236,413,657.65 = 97,142,929.10 : x - Step 2: Convert to fraction form
157,609,105.10/236,413,657.65 = 97,142,929.10/x - Step 3: Cross multiply
157,609,105.10x = 236,413,657.65 × 97,142,929.10 - Step 4: Simplify right side
157,609,105.10x = 22,965,915,183,365,620 - Step 5: Solve for x
x = 22,965,915,183,365,620/157,609,105.10 - Step 6: Final answer
x = 145,714,393.65
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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.