Finding the Fourth Proportional to 99,851,243.70, 149,793,454.35 and 39,268,946.10
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Solution
The fourth proportional to 99,851,243.70, 149,793,454.35 and 39,268,946.10 is: 58,909,943.10
Step by Step Solution
- Step 1: Write the proportion equation
99,851,243.70 : 149,793,454.35 = 39,268,946.10 : x - Step 2: Convert to fraction form
99,851,243.70/149,793,454.35 = 39,268,946.10/x - Step 3: Cross multiply
99,851,243.70x = 149,793,454.35 × 39,268,946.10 - Step 4: Simplify right side
99,851,243.70x = 5,882,231,085,002,961 - Step 5: Solve for x
x = 5,882,231,085,002,961/99,851,243.70 - Step 6: Final answer
x = 58,909,943.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.