Finding the Fourth Proportional to 113,765,905.68, 156,995,832.14 and 61,553,795.74
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Solution
The fourth proportional to 113,765,905.68, 156,995,832.14 and 61,553,795.74 is: 84,943,633.38
Step by Step Solution
- Step 1: Write the proportion equation
113,765,905.68 : 156,995,832.14 = 61,553,795.74 : x - Step 2: Convert to fraction form
113,765,905.68/156,995,832.14 = 61,553,795.74/x - Step 3: Cross multiply
113,765,905.68x = 156,995,832.14 × 61,553,795.74 - Step 4: Simplify right side
113,765,905.68x = 9,663,689,383,576,886 - Step 5: Solve for x
x = 9,663,689,383,576,886/113,765,905.68 - Step 6: Final answer
x = 84,943,633.38
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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.