Finding the Fourth Proportional to 114,954,412.71, 158,844,599.58 and 81,857,201.66
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Solution
The fourth proportional to 114,954,412.71, 158,844,599.58 and 81,857,201.66 is: 113,110,702.88
Step by Step Solution
- Step 1: Write the proportion equation
114,954,412.71 : 158,844,599.58 = 81,857,201.66 : x - Step 2: Convert to fraction form
114,954,412.71/158,844,599.58 = 81,857,201.66/x - Step 3: Cross multiply
114,954,412.71x = 158,844,599.58 × 81,857,201.66 - Step 4: Simplify right side
114,954,412.71x = 13,002,574,419,683,970 - Step 5: Solve for x
x = 13,002,574,419,683,970/114,954,412.71 - Step 6: Final answer
x = 113,110,702.88
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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.