Finding the Fourth Proportional to 233,733,720.33, 322,550,142.52 and 129,312,538.99
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Solution
The fourth proportional to 233,733,720.33, 322,550,142.52 and 129,312,538.99 is: 178,449,980.70
Step by Step Solution
- Step 1: Write the proportion equation
233,733,720.33 : 322,550,142.52 = 129,312,538.99 : x - Step 2: Convert to fraction form
233,733,720.33/322,550,142.52 = 129,312,538.99/x - Step 3: Cross multiply
233,733,720.33x = 322,550,142.52 × 129,312,538.99 - Step 4: Simplify right side
233,733,720.33x = 41,709,777,880,847,552 - Step 5: Solve for x
x = 41,709,777,880,847,552/233,733,720.33 - Step 6: Final answer
x = 178,449,980.70
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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.