Finding the Fourth Proportional to 129,313,637.70, 193,970,456.55 and 115,283,595.30
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Solution
The fourth proportional to 129,313,637.70, 193,970,456.55 and 115,283,595.30 is: 172,925,392.95
Step by Step Solution
- Step 1: Write the proportion equation
129,313,637.70 : 193,970,456.55 = 115,283,595.30 : x - Step 2: Convert to fraction form
129,313,637.70/193,970,456.55 = 115,283,595.30/x - Step 3: Cross multiply
129,313,637.70x = 193,970,456.55 × 115,283,595.30 - Step 4: Simplify right side
129,313,637.70x = 22,361,611,613,066,436 - Step 5: Solve for x
x = 22,361,611,613,066,436/129,313,637.70 - Step 6: Final answer
x = 172,925,392.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.