Finding the Fourth Proportional to 45,945,095.80, 68,905,202.10 and 13,596,935.80
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Solution
The fourth proportional to 45,945,095.80, 68,905,202.10 and 13,596,935.80 is: 20,391,721.75
Step by Step Solution
- Step 1: Write the proportion equation
45,945,095.80 : 68,905,202.10 = 13,596,935.80 : x - Step 2: Convert to fraction form
45,945,095.80/68,905,202.10 = 13,596,935.80/x - Step 3: Cross multiply
45,945,095.80x = 68,905,202.10 × 13,596,935.80 - Step 4: Simplify right side
45,945,095.80x = 936,899,609,239,725.12 - Step 5: Solve for x
x = 936,899,609,239,725.12/45,945,095.80 - Step 6: Final answer
x = 20,391,721.75
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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.