Finding the Fourth Proportional to 234,242,317.99, 323,254,428.78 and 129,827,130.40
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Solution
The fourth proportional to 234,242,317.99, 323,254,428.78 and 129,827,130.40 is: 179,161,456.55
Step by Step Solution
- Step 1: Write the proportion equation
234,242,317.99 : 323,254,428.78 = 129,827,130.40 : x - Step 2: Convert to fraction form
234,242,317.99/323,254,428.78 = 129,827,130.40/x - Step 3: Cross multiply
234,242,317.99x = 323,254,428.78 × 129,827,130.40 - Step 4: Simplify right side
234,242,317.99x = 41,967,194,877,598,568 - Step 5: Solve for x
x = 41,967,194,877,598,568/234,242,317.99 - Step 6: Final answer
x = 179,161,456.55
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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.