Finding the Fourth Proportional to 80,849,001.80, 121,273,502.70 and 40,444,905.80
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Solution
The fourth proportional to 80,849,001.80, 121,273,502.70 and 40,444,905.80 is: 60,667,358.70
Step by Step Solution
- Step 1: Write the proportion equation
80,849,001.80 : 121,273,502.70 = 40,444,905.80 : x - Step 2: Convert to fraction form
80,849,001.80/121,273,502.70 = 40,444,905.80/x - Step 3: Cross multiply
80,849,001.80x = 121,273,502.70 × 40,444,905.80 - Step 4: Simplify right side
80,849,001.80x = 4,904,895,392,737,545 - Step 5: Solve for x
x = 4,904,895,392,737,545/80,849,001.80 - Step 6: Final answer
x = 60,667,358.70
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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.