Finding the Fourth Proportional to 102,528,122.40, 153,792,183.60 and 97,993,159.20
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Solution
The fourth proportional to 102,528,122.40, 153,792,183.60 and 97,993,159.20 is: 146,989,738.80
Step by Step Solution
- Step 1: Write the proportion equation
102,528,122.40 : 153,792,183.60 = 97,993,159.20 : x - Step 2: Convert to fraction form
102,528,122.40/153,792,183.60 = 97,993,159.20/x - Step 3: Cross multiply
102,528,122.40x = 153,792,183.60 × 97,993,159.20 - Step 4: Simplify right side
102,528,122.40x = 15,070,581,931,230,428 - Step 5: Solve for x
x = 15,070,581,931,230,428/102,528,122.40 - Step 6: Final answer
x = 146,989,738.80
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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.