Finding the Fourth Proportional to 226,403,639.09, 312,438,080.00 and 128,623,860.53
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Solution
The fourth proportional to 226,403,639.09, 312,438,080.00 and 128,623,860.53 is: 177,501,528.63
Step by Step Solution
- Step 1: Write the proportion equation
226,403,639.09 : 312,438,080.00 = 128,623,860.53 : x - Step 2: Convert to fraction form
226,403,639.09/312,438,080.00 = 128,623,860.53/x - Step 3: Cross multiply
226,403,639.09x = 312,438,080.00 × 128,623,860.53 - Step 4: Simplify right side
226,403,639.09x = 40,186,992,025,389,128 - Step 5: Solve for x
x = 40,186,992,025,389,128/226,403,639.09 - Step 6: Final answer
x = 177,501,528.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.