Finding the Fourth Proportional to 231,291,751.20, 346,255,979.40 and 202,593,937.20
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Solution
The fourth proportional to 231,291,751.20, 346,255,979.40 and 202,593,937.20 is: 303,293,834.66
Step by Step Solution
- Step 1: Write the proportion equation
231,291,751.20 : 346,255,979.40 = 202,593,937.20 : x - Step 2: Convert to fraction form
231,291,751.20/346,255,979.40 = 202,593,937.20/x - Step 3: Cross multiply
231,291,751.20x = 346,255,979.40 × 202,593,937.20 - Step 4: Simplify right side
231,291,751.20x = 70,149,362,145,688,088 - Step 5: Solve for x
x = 70,149,362,145,688,088/231,291,751.20 - Step 6: Final answer
x = 303,293,834.66
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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.