Finding the Fourth Proportional to 147,626,465.43, 203,730,708.41 and 84,902,605.82
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Solution
The fourth proportional to 147,626,465.43, 203,730,708.41 and 84,902,605.82 is: 117,169,153.77
Step by Step Solution
- Step 1: Write the proportion equation
147,626,465.43 : 203,730,708.41 = 84,902,605.82 : x - Step 2: Convert to fraction form
147,626,465.43/203,730,708.41 = 84,902,605.82/x - Step 3: Cross multiply
147,626,465.43x = 203,730,708.41 × 84,902,605.82 - Step 4: Simplify right side
147,626,465.43x = 17,297,268,028,757,190 - Step 5: Solve for x
x = 17,297,268,028,757,190/147,626,465.43 - Step 6: Final answer
x = 117,169,153.77
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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.