Finding the Fourth Proportional to 157,469,313.80, 236,203,970.70 and 89,444,865.80
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Solution
The fourth proportional to 157,469,313.80, 236,203,970.70 and 89,444,865.80 is: 134,167,298.70
Step by Step Solution
- Step 1: Write the proportion equation
157,469,313.80 : 236,203,970.70 = 89,444,865.80 : x - Step 2: Convert to fraction form
157,469,313.80/236,203,970.70 = 89,444,865.80/x - Step 3: Cross multiply
157,469,313.80x = 236,203,970.70 × 89,444,865.80 - Step 4: Simplify right side
157,469,313.80x = 21,127,232,460,688,632 - Step 5: Solve for x
x = 21,127,232,460,688,632/157,469,313.80 - Step 6: Final answer
x = 134,167,298.70
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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.