Finding the Fourth Proportional to 99,318,440.80, 148,977,661.20 and 27,514,856.80
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Solution
The fourth proportional to 99,318,440.80, 148,977,661.20 and 27,514,856.80 is: 41,272,285.20
Step by Step Solution
- Step 1: Write the proportion equation
99,318,440.80 : 148,977,661.20 = 27,514,856.80 : x - Step 2: Convert to fraction form
99,318,440.80/148,977,661.20 = 27,514,856.80/x - Step 3: Cross multiply
99,318,440.80x = 148,977,661.20 × 27,514,856.80 - Step 4: Simplify right side
99,318,440.80x = 4,099,099,014,316,916 - Step 5: Solve for x
x = 4,099,099,014,316,916/99,318,440.80 - Step 6: Final answer
x = 41,272,285.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.