Finding the Fourth Proportional to 218,642,327.60, 327,964,113.62 and 63,208,788.97
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Solution
The fourth proportional to 218,642,327.60, 327,964,113.62 and 63,208,788.97 is: 94,813,363.34
Step by Step Solution
- Step 1: Write the proportion equation
218,642,327.60 : 327,964,113.62 = 63,208,788.97 : x - Step 2: Convert to fraction form
218,642,327.60/327,964,113.62 = 63,208,788.97/x - Step 3: Cross multiply
218,642,327.60x = 327,964,113.62 × 63,208,788.97 - Step 4: Simplify right side
218,642,327.60x = 20,730,214,447,610,928 - Step 5: Solve for x
x = 20,730,214,447,610,928/218,642,327.60 - Step 6: Final answer
x = 94,813,363.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.