Finding the Fourth Proportional to 201,851,130.66, 278,554,517.40 and 109,031,639.46
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Solution
The fourth proportional to 201,851,130.66, 278,554,517.40 and 109,031,639.46 is: 150,463,639.28
Step by Step Solution
- Step 1: Write the proportion equation
201,851,130.66 : 278,554,517.40 = 109,031,639.46 : x - Step 2: Convert to fraction form
201,851,130.66/278,554,517.40 = 109,031,639.46/x - Step 3: Cross multiply
201,851,130.66x = 278,554,517.40 × 109,031,639.46 - Step 4: Simplify right side
201,851,130.66x = 30,371,255,711,111,092 - Step 5: Solve for x
x = 30,371,255,711,111,092/201,851,130.66 - Step 6: Final answer
x = 150,463,639.28
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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.