Finding the Fourth Proportional to 147,749,652.18, 203,894,563.93 and 80,768,901.41
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Solution
The fourth proportional to 147,749,652.18, 203,894,563.93 and 80,768,901.41 is: 111,461,107.95
Step by Step Solution
- Step 1: Write the proportion equation
147,749,652.18 : 203,894,563.93 = 80,768,901.41 : x - Step 2: Convert to fraction form
147,749,652.18/203,894,563.93 = 80,768,901.41/x - Step 3: Cross multiply
147,749,652.18x = 203,894,563.93 × 80,768,901.41 - Step 4: Simplify right side
147,749,652.18x = 16,468,339,930,953,892 - Step 5: Solve for x
x = 16,468,339,930,953,892/147,749,652.18 - Step 6: Final answer
x = 111,461,107.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.