Finding the Fourth Proportional to 165,888,576.10, 248,832,864.15 and 162,349,632.10
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Solution
The fourth proportional to 165,888,576.10, 248,832,864.15 and 162,349,632.10 is: 243,524,448.15
Step by Step Solution
- Step 1: Write the proportion equation
165,888,576.10 : 248,832,864.15 = 162,349,632.10 : x - Step 2: Convert to fraction form
165,888,576.10/248,832,864.15 = 162,349,632.10/x - Step 3: Cross multiply
165,888,576.10x = 248,832,864.15 × 162,349,632.10 - Step 4: Simplify right side
165,888,576.10x = 40,397,923,949,141,776 - Step 5: Solve for x
x = 40,397,923,949,141,776/165,888,576.10 - Step 6: Final answer
x = 243,524,448.15
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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.