Finding the Fourth Proportional to 343,930,921.96, 474,603,173.20 and 189,406,249.96
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Solution
The fourth proportional to 343,930,921.96, 474,603,173.20 and 189,406,249.96 is: 261,368,785.17
Step by Step Solution
- Step 1: Write the proportion equation
343,930,921.96 : 474,603,173.20 = 189,406,249.96 : x - Step 2: Convert to fraction form
343,930,921.96/474,603,173.20 = 189,406,249.96/x - Step 3: Cross multiply
343,930,921.96x = 474,603,173.20 × 189,406,249.96 - Step 4: Simplify right side
343,930,921.96x = 89,892,807,254,928,368 - Step 5: Solve for x
x = 89,892,807,254,928,368/343,930,921.96 - Step 6: Final answer
x = 261,368,785.17
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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.