Finding the Fourth Proportional to 142,034,749.08, 213,113,500.76 and 76,379,148.09
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Solution
The fourth proportional to 142,034,749.08, 213,113,500.76 and 76,379,148.09 is: 114,601,727.67
Step by Step Solution
- Step 1: Write the proportion equation
142,034,749.08 : 213,113,500.76 = 76,379,148.09 : x - Step 2: Convert to fraction form
142,034,749.08/213,113,500.76 = 76,379,148.09/x - Step 3: Cross multiply
142,034,749.08x = 213,113,500.76 × 76,379,148.09 - Step 4: Simplify right side
142,034,749.08x = 16,277,427,634,144,472 - Step 5: Solve for x
x = 16,277,427,634,144,472/142,034,749.08 - Step 6: Final answer
x = 114,601,727.67
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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.