Finding the Fourth Proportional to 158,268,134.40, 237,402,201.60 and 131,058,355.20
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Solution
The fourth proportional to 158,268,134.40, 237,402,201.60 and 131,058,355.20 is: 196,587,532.80
Step by Step Solution
- Step 1: Write the proportion equation
158,268,134.40 : 237,402,201.60 = 131,058,355.20 : x - Step 2: Convert to fraction form
158,268,134.40/237,402,201.60 = 131,058,355.20/x - Step 3: Cross multiply
158,268,134.40x = 237,402,201.60 × 131,058,355.20 - Step 4: Simplify right side
158,268,134.40x = 31,113,542,062,554,808 - Step 5: Solve for x
x = 31,113,542,062,554,808/158,268,134.40 - Step 6: Final answer
x = 196,587,532.80
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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.