Finding the Fourth Proportional to 205,494,029.84, 283,622,959.08 and 121,908,555.56
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Solution
The fourth proportional to 205,494,029.84, 283,622,959.08 and 121,908,555.56 is: 168,258,247.17
Step by Step Solution
- Step 1: Write the proportion equation
205,494,029.84 : 283,622,959.08 = 121,908,555.56 : x - Step 2: Convert to fraction form
205,494,029.84/283,622,959.08 = 121,908,555.56/x - Step 3: Cross multiply
205,494,029.84x = 283,622,959.08 × 121,908,555.56 - Step 4: Simplify right side
205,494,029.84x = 34,576,065,265,095,784 - Step 5: Solve for x
x = 34,576,065,265,095,784/205,494,029.84 - Step 6: Final answer
x = 168,258,247.17
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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.