Finding the Fourth Proportional to 234,242,213.99, 323,254,285.35 and 129,827,026.40
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Solution
The fourth proportional to 234,242,213.99, 323,254,285.35 and 129,827,026.40 is: 179,161,313.08
Step by Step Solution
- Step 1: Write the proportion equation
234,242,213.99 : 323,254,285.35 = 129,827,026.40 : x - Step 2: Convert to fraction form
234,242,213.99/323,254,285.35 = 129,827,026.40/x - Step 3: Cross multiply
234,242,213.99x = 323,254,285.35 × 129,827,026.40 - Step 4: Simplify right side
234,242,213.99x = 41,967,142,635,944,456 - Step 5: Solve for x
x = 41,967,142,635,944,456/234,242,213.99 - Step 6: Final answer
x = 179,161,313.08
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1.5x scale
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.