Finding the Fourth Proportional to 134,052,437.80, 201,078,656.70 and 47,793,658.60
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Solution
The fourth proportional to 134,052,437.80, 201,078,656.70 and 47,793,658.60 is: 71,690,487.90
Step by Step Solution
- Step 1: Write the proportion equation
134,052,437.80 : 201,078,656.70 = 47,793,658.60 : x - Step 2: Convert to fraction form
134,052,437.80/201,078,656.70 = 47,793,658.60/x - Step 3: Cross multiply
134,052,437.80x = 201,078,656.70 × 47,793,658.60 - Step 4: Simplify right side
134,052,437.80x = 9,610,284,670,066,402 - Step 5: Solve for x
x = 9,610,284,670,066,402/134,052,437.80 - Step 6: Final answer
x = 71,690,487.90
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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.