Finding the Fourth Proportional to 162,413,587.65, 243,620,381.48 and 144,557,170.05
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Solution
The fourth proportional to 162,413,587.65, 243,620,381.48 and 144,557,170.05 is: 216,835,755.08
Step by Step Solution
- Step 1: Write the proportion equation
162,413,587.65 : 243,620,381.48 = 144,557,170.05 : x - Step 2: Convert to fraction form
162,413,587.65/243,620,381.48 = 144,557,170.05/x - Step 3: Cross multiply
162,413,587.65x = 243,620,381.48 × 144,557,170.05 - Step 4: Simplify right side
162,413,587.65x = 35,217,072,912,527,448 - Step 5: Solve for x
x = 35,217,072,912,527,448/162,413,587.65 - Step 6: Final answer
x = 216,835,755.08
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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.