Finding the Fourth Proportional to 103,019,505.80, 154,529,258.70 and 26,348,534.60
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Solution
The fourth proportional to 103,019,505.80, 154,529,258.70 and 26,348,534.60 is: 39,522,801.90
Step by Step Solution
- Step 1: Write the proportion equation
103,019,505.80 : 154,529,258.70 = 26,348,534.60 : x - Step 2: Convert to fraction form
103,019,505.80/154,529,258.70 = 26,348,534.60/x - Step 3: Cross multiply
103,019,505.80x = 154,529,258.70 × 26,348,534.60 - Step 4: Simplify right side
103,019,505.80x = 4,071,619,519,569,301 - Step 5: Solve for x
x = 4,071,619,519,569,301/103,019,505.80 - Step 6: Final answer
x = 39,522,801.90
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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.