Finding the Fourth Proportional to 205,662,378.90, 283,819,305.48 and 112,842,862.14
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Solution
The fourth proportional to 205,662,378.90, 283,819,305.48 and 112,842,862.14 is: 155,726,015.28
Step by Step Solution
- Step 1: Write the proportion equation
205,662,378.90 : 283,819,305.48 = 112,842,862.14 : x - Step 2: Convert to fraction form
205,662,378.90/283,819,305.48 = 112,842,862.14/x - Step 3: Cross multiply
205,662,378.90x = 283,819,305.48 × 112,842,862.14 - Step 4: Simplify right side
205,662,378.90x = 32,026,982,758,966,880 - Step 5: Solve for x
x = 32,026,982,758,966,880/205,662,378.90 - Step 6: Final answer
x = 155,726,015.28
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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.