Finding the Fourth Proportional to 154,245,483.68, 212,858,744.36 and 88,167,400.79
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Solution
The fourth proportional to 154,245,483.68, 212,858,744.36 and 88,167,400.79 is: 121,670,999.87
Step by Step Solution
- Step 1: Write the proportion equation
154,245,483.68 : 212,858,744.36 = 88,167,400.79 : x - Step 2: Convert to fraction form
154,245,483.68/212,858,744.36 = 88,167,400.79/x - Step 3: Cross multiply
154,245,483.68x = 212,858,744.36 × 88,167,400.79 - Step 4: Simplify right side
154,245,483.68x = 18,767,202,224,139,140 - Step 5: Solve for x
x = 18,767,202,224,139,140/154,245,483.68 - Step 6: Final answer
x = 121,670,999.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.