Finding the Fourth Proportional to 150,147,464.35, 207,205,639.76 and 86,566,545.63
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Solution
The fourth proportional to 150,147,464.35, 207,205,639.76 and 86,566,545.63 is: 119,463,066.18
Step by Step Solution
- Step 1: Write the proportion equation
150,147,464.35 : 207,205,639.76 = 86,566,545.63 : x - Step 2: Convert to fraction form
150,147,464.35/207,205,639.76 = 86,566,545.63/x - Step 3: Cross multiply
150,147,464.35x = 207,205,639.76 × 86,566,545.63 - Step 4: Simplify right side
150,147,464.35x = 17,937,076,469,595,394 - Step 5: Solve for x
x = 17,937,076,469,595,394/150,147,464.35 - Step 6: Final answer
x = 119,463,066.18
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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.