Finding the Fourth Proportional to 195,507,158.91, 269,800,056.12 and 107,406,863.74
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Solution
The fourth proportional to 195,507,158.91, 269,800,056.12 and 107,406,863.74 is: 148,221,569.11
Step by Step Solution
- Step 1: Write the proportion equation
195,507,158.91 : 269,800,056.12 = 107,406,863.74 : x - Step 2: Convert to fraction form
195,507,158.91/269,800,056.12 = 107,406,863.74/x - Step 3: Cross multiply
195,507,158.91x = 269,800,056.12 × 107,406,863.74 - Step 4: Simplify right side
195,507,158.91x = 28,978,377,864,725,192 - Step 5: Solve for x
x = 28,978,377,864,725,192/195,507,158.91 - Step 6: Final answer
x = 148,221,569.11
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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.