Finding the Fourth Proportional to 197,135,264.48, 272,035,644.68 and 107,809,567.68
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Solution
The fourth proportional to 197,135,264.48, 272,035,644.68 and 107,809,567.68 is: 148,771,176.60
Step by Step Solution
- Step 1: Write the proportion equation
197,135,264.48 : 272,035,644.68 = 107,809,567.68 : x - Step 2: Convert to fraction form
197,135,264.48/272,035,644.68 = 107,809,567.68/x - Step 3: Cross multiply
197,135,264.48x = 272,035,644.68 × 107,809,567.68 - Step 4: Simplify right side
197,135,264.48x = 29,328,045,246,500,896 - Step 5: Solve for x
x = 29,328,045,246,500,896/197,135,264.48 - Step 6: Final answer
x = 148,771,176.60
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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.