Finding the Fourth Proportional to 239,800,223,182.08, 330,924,696,366.96 and 131,396,096,154.72
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Solution
The fourth proportional to 239,800,223,182.08, 330,924,696,366.96 and 131,396,096,154.72 is: 181,326,825,500.03
Step by Step Solution
- Step 1: Write the proportion equation
239,800,223,182.08 : 330,924,696,366.96 = 131,396,096,154.72 : x - Step 2: Convert to fraction form
239,800,223,182.08/330,924,696,366.96 = 131,396,096,154.72/x - Step 3: Cross multiply
239,800,223,182.08x = 330,924,696,366.96 × 131,396,096,154.72 - Step 4: Simplify right side
239,800,223,182.08x = 43,482,213,223,804,600,057,856 - Step 5: Solve for x
x = 43,482,213,223,804,600,057,856/239,800,223,182.08 - Step 6: Final answer
x = 181,326,825,500.03
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1.5x scale
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.