Finding the Fourth Proportional to 157,468,235.20, 236,202,352.80 and 155,344,868.80
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Solution
The fourth proportional to 157,468,235.20, 236,202,352.80 and 155,344,868.80 is: 233,017,303.20
Step by Step Solution
- Step 1: Write the proportion equation
157,468,235.20 : 236,202,352.80 = 155,344,868.80 : x - Step 2: Convert to fraction form
157,468,235.20/236,202,352.80 = 155,344,868.80/x - Step 3: Cross multiply
157,468,235.20x = 236,202,352.80 × 155,344,868.80 - Step 4: Simplify right side
157,468,235.20x = 36,692,823,505,967,320 - Step 5: Solve for x
x = 36,692,823,505,967,320/157,468,235.20 - Step 6: Final answer
x = 233,017,303.20
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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.