Finding the Fourth Proportional to 157,469,295.80, 236,203,943.70 and 89,444,847.80
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Solution
The fourth proportional to 157,469,295.80, 236,203,943.70 and 89,444,847.80 is: 134,167,271.70
Step by Step Solution
- Step 1: Write the proportion equation
157,469,295.80 : 236,203,943.70 = 89,444,847.80 : x - Step 2: Convert to fraction form
157,469,295.80/236,203,943.70 = 89,444,847.80/x - Step 3: Cross multiply
157,469,295.80x = 236,203,943.70 × 89,444,847.80 - Step 4: Simplify right side
157,469,295.80x = 21,127,225,794,006,268 - Step 5: Solve for x
x = 21,127,225,794,006,268/157,469,295.80 - Step 6: Final answer
x = 134,167,271.70
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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.