Finding the Fourth Proportional to 159,436,808.10, 239,155,212.15 and 38,268,260.10
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Solution
The fourth proportional to 159,436,808.10, 239,155,212.15 and 38,268,260.10 is: 57,402,390.15
Step by Step Solution
- Step 1: Write the proportion equation
159,436,808.10 : 239,155,212.15 = 38,268,260.10 : x - Step 2: Convert to fraction form
159,436,808.10/239,155,212.15 = 38,268,260.10/x - Step 3: Cross multiply
159,436,808.10x = 239,155,212.15 × 38,268,260.10 - Step 4: Simplify right side
159,436,808.10x = 9,152,053,862,826,880 - Step 5: Solve for x
x = 9,152,053,862,826,880/159,436,808.10 - Step 6: Final answer
x = 57,402,390.15
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1.5x scale
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.