Finding the Fourth Proportional to 159,451,213.80, 239,176,820.70 and 38,282,665.80
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Solution
The fourth proportional to 159,451,213.80, 239,176,820.70 and 38,282,665.80 is: 57,423,998.70
Step by Step Solution
- Step 1: Write the proportion equation
159,451,213.80 : 239,176,820.70 = 38,282,665.80 : x - Step 2: Convert to fraction form
159,451,213.80/239,176,820.70 = 38,282,665.80/x - Step 3: Cross multiply
159,451,213.80x = 239,176,820.70 × 38,282,665.80 - Step 4: Simplify right side
159,451,213.80x = 9,156,326,293,964,620 - Step 5: Solve for x
x = 9,156,326,293,964,620/159,451,213.80 - Step 6: Final answer
x = 57,423,998.70
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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.