Finding the Fourth Proportional to 102,407,497.65, 153,585,678.92 and 40,171,461.93
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Solution
The fourth proportional to 102,407,497.65, 153,585,678.92 and 40,171,461.93 is: 60,247,163.49
Step by Step Solution
- Step 1: Write the proportion equation
102,407,497.65 : 153,585,678.92 = 40,171,461.93 : x - Step 2: Convert to fraction form
102,407,497.65/153,585,678.92 = 40,171,461.93/x - Step 3: Cross multiply
102,407,497.65x = 153,585,678.92 × 40,171,461.93 - Step 4: Simplify right side
102,407,497.65x = 6,169,761,253,527,126 - Step 5: Solve for x
x = 6,169,761,253,527,126/102,407,497.65 - Step 6: Final answer
x = 60,247,163.49
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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.