Finding the Fourth Proportional to 84,248,163.90, 118,287,551.70 and 84,248,163.90
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Solution
The fourth proportional to 84,248,163.90, 118,287,551.70 and 84,248,163.90 is: 118,287,551.70
Step by Step Solution
- Step 1: Write the proportion equation
84,248,163.90 : 118,287,551.70 = 84,248,163.90 : x - Step 2: Convert to fraction form
84,248,163.90/118,287,551.70 = 84,248,163.90/x - Step 3: Cross multiply
84,248,163.90x = 118,287,551.70 × 84,248,163.90 - Step 4: Simplify right side
84,248,163.90x = 9,965,509,042,951,324 - Step 5: Solve for x
x = 9,965,509,042,951,324/84,248,163.90 - Step 6: Final answer
x = 118,287,551.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.