Finding the Fourth Proportional to 128,836,696.32, 193,195,324.80 and 48,035,969.28
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Solution
The fourth proportional to 128,836,696.32, 193,195,324.80 and 48,035,969.28 is: 72,031,687.80
Step by Step Solution
- Step 1: Write the proportion equation
128,836,696.32 : 193,195,324.80 = 48,035,969.28 : x - Step 2: Convert to fraction form
128,836,696.32/193,195,324.80 = 48,035,969.28/x - Step 3: Cross multiply
128,836,696.32x = 193,195,324.80 × 48,035,969.28 - Step 4: Simplify right side
128,836,696.32x = 9,280,324,687,132,422 - Step 5: Solve for x
x = 9,280,324,687,132,422/128,836,696.32 - Step 6: Final answer
x = 72,031,687.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.