Finding the Fourth Proportional to 299,229,969.80, 448,844,954.70 and 129,028,881.80
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Solution
The fourth proportional to 299,229,969.80, 448,844,954.70 and 129,028,881.80 is: 193,543,322.70
Step by Step Solution
- Step 1: Write the proportion equation
299,229,969.80 : 448,844,954.70 = 129,028,881.80 : x - Step 2: Convert to fraction form
299,229,969.80/448,844,954.70 = 129,028,881.80/x - Step 3: Cross multiply
299,229,969.80x = 448,844,954.70 × 129,028,881.80 - Step 4: Simplify right side
299,229,969.80x = 57,913,962,606,512,648 - Step 5: Solve for x
x = 57,913,962,606,512,648/299,229,969.80 - Step 6: Final answer
x = 193,543,322.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.