Finding the Fourth Proportional to 146,606,847.68, 202,352,685.91 and 83,919,284.75
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Solution
The fourth proportional to 146,606,847.68, 202,352,685.91 and 83,919,284.75 is: 115,828,782.47
Step by Step Solution
- Step 1: Write the proportion equation
146,606,847.68 : 202,352,685.91 = 83,919,284.75 : x - Step 2: Convert to fraction form
146,606,847.68/202,352,685.91 = 83,919,284.75/x - Step 3: Cross multiply
146,606,847.68x = 202,352,685.91 × 83,919,284.75 - Step 4: Simplify right side
146,606,847.68x = 16,981,292,669,104,686 - Step 5: Solve for x
x = 16,981,292,669,104,686/146,606,847.68 - Step 6: Final answer
x = 115,828,782.47
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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.