Finding the Fourth Proportional to 113,765,905.94, 156,995,832.49 and 61,553,795.99
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Solution
The fourth proportional to 113,765,905.94, 156,995,832.49 and 61,553,795.99 is: 84,943,633.72
Step by Step Solution
- Step 1: Write the proportion equation
113,765,905.94 : 156,995,832.49 = 61,553,795.99 : x - Step 2: Convert to fraction form
113,765,905.94/156,995,832.49 = 61,553,795.99/x - Step 3: Cross multiply
113,765,905.94x = 156,995,832.49 × 61,553,795.99 - Step 4: Simplify right side
113,765,905.94x = 9,663,689,443,430,810 - Step 5: Solve for x
x = 9,663,689,443,430,810/113,765,905.94 - Step 6: Final answer
x = 84,943,633.72
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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.