Finding the Fourth Proportional to 247,446,642.58, 341,438,407.20 and 143,004,543.94
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Solution
The fourth proportional to 247,446,642.58, 341,438,407.20 and 143,004,543.94 is: 197,324,333.02
Step by Step Solution
- Step 1: Write the proportion equation
247,446,642.58 : 341,438,407.20 = 143,004,543.94 : x - Step 2: Convert to fraction form
247,446,642.58/341,438,407.20 = 143,004,543.94/x - Step 3: Cross multiply
247,446,642.58x = 341,438,407.20 × 143,004,543.94 - Step 4: Simplify right side
247,446,642.58x = 48,827,243,705,236,008 - Step 5: Solve for x
x = 48,827,243,705,236,008/247,446,642.58 - Step 6: Final answer
x = 197,324,333.02
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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.