Finding the Fourth Proportional to 103,600,018.05, 155,456,014.28 and 46,101,163.65
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Solution
The fourth proportional to 103,600,018.05, 155,456,014.28 and 46,101,163.65 is: 69,176,659.32
Step by Step Solution
- Step 1: Write the proportion equation
103,600,018.05 : 155,456,014.28 = 46,101,163.65 : x - Step 2: Convert to fraction form
103,600,018.05/155,456,014.28 = 46,101,163.65/x - Step 3: Cross multiply
103,600,018.05x = 155,456,014.28 × 46,101,163.65 - Step 4: Simplify right side
103,600,018.05x = 7,166,703,154,468,511 - Step 5: Solve for x
x = 7,166,703,154,468,511/103,600,018.05 - Step 6: Final answer
x = 69,176,659.32
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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.