Finding the Fourth Proportional to 239,770,302.55, 330,882,884.52 and 135,349,275.67
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Solution
The fourth proportional to 239,770,302.55, 330,882,884.52 and 135,349,275.67 is: 186,781,925.34
Step by Step Solution
- Step 1: Write the proportion equation
239,770,302.55 : 330,882,884.52 = 135,349,275.67 : x - Step 2: Convert to fraction form
239,770,302.55/330,882,884.52 = 135,349,275.67/x - Step 3: Cross multiply
239,770,302.55x = 330,882,884.52 × 135,349,275.67 - Step 4: Simplify right side
239,770,302.55x = 44,784,758,749,727,832 - Step 5: Solve for x
x = 44,784,758,749,727,832/239,770,302.55 - Step 6: Final answer
x = 186,781,925.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.