Finding the Fourth Proportional to 122,313,688.40, 183,744,247.80 and 102,158,296.40
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Solution
The fourth proportional to 122,313,688.40, 183,744,247.80 and 102,158,296.40 is: 153,466,055.80
Step by Step Solution
- Step 1: Write the proportion equation
122,313,688.40 : 183,744,247.80 = 102,158,296.40 : x - Step 2: Convert to fraction form
122,313,688.40/183,744,247.80 = 102,158,296.40/x - Step 3: Cross multiply
122,313,688.40x = 183,744,247.80 × 102,158,296.40 - Step 4: Simplify right side
122,313,688.40x = 18,770,999,328,547,452 - Step 5: Solve for x
x = 18,770,999,328,547,452/122,313,688.40 - Step 6: Final answer
x = 153,466,055.80
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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.