Finding the Fourth Proportional to 68,949,877.84, 95,151,119.52 and 38,009,368.24
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Solution
The fourth proportional to 68,949,877.84, 95,151,119.52 and 38,009,368.24 is: 52,453,086.99
Step by Step Solution
- Step 1: Write the proportion equation
68,949,877.84 : 95,151,119.52 = 38,009,368.24 : x - Step 2: Convert to fraction form
68,949,877.84/95,151,119.52 = 38,009,368.24/x - Step 3: Cross multiply
68,949,877.84x = 95,151,119.52 × 38,009,368.24 - Step 4: Simplify right side
68,949,877.84x = 3,616,633,940,283,932 - Step 5: Solve for x
x = 3,616,633,940,283,932/68,949,877.84 - Step 6: Final answer
x = 52,453,086.99
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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.