Finding the Fourth Proportional to 189,438,455.21, 284,167,869.09 and 60,056,154.41
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Solution
The fourth proportional to 189,438,455.21, 284,167,869.09 and 60,056,154.41 is: 90,087,460.88
Step by Step Solution
- Step 1: Write the proportion equation
189,438,455.21 : 284,167,869.09 = 60,056,154.41 : x - Step 2: Convert to fraction form
189,438,455.21/284,167,869.09 = 60,056,154.41/x - Step 3: Cross multiply
189,438,455.21x = 284,167,869.09 × 60,056,154.41 - Step 4: Simplify right side
189,438,455.21x = 17,066,029,423,008,866 - Step 5: Solve for x
x = 17,066,029,423,008,866/189,438,455.21 - Step 6: Final answer
x = 90,087,460.88
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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.