Finding the Fourth Proportional to 233,135,656.27, 321,720,802.11 and 128,711,830.03
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Solution
The fourth proportional to 233,135,656.27, 321,720,802.11 and 128,711,830.03 is: 177,618,790.11
Step by Step Solution
- Step 1: Write the proportion equation
233,135,656.27 : 321,720,802.11 = 128,711,830.03 : x - Step 2: Convert to fraction form
233,135,656.27/321,720,802.11 = 128,711,830.03/x - Step 3: Cross multiply
233,135,656.27x = 321,720,802.11 × 128,711,830.03 - Step 4: Simplify right side
233,135,656.27x = 41,409,273,198,297,584 - Step 5: Solve for x
x = 41,409,273,198,297,584/233,135,656.27 - Step 6: Final answer
x = 177,618,790.11
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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.