Finding the Fourth Proportional to 177,644,565.40, 266,914,745.70 and 112,979,349.40
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Solution
The fourth proportional to 177,644,565.40, 266,914,745.70 and 112,979,349.40 is: 169,753,880.43
Step by Step Solution
- Step 1: Write the proportion equation
177,644,565.40 : 266,914,745.70 = 112,979,349.40 : x - Step 2: Convert to fraction form
177,644,565.40/266,914,745.70 = 112,979,349.40/x - Step 3: Cross multiply
177,644,565.40x = 266,914,745.70 × 112,979,349.40 - Step 4: Simplify right side
177,644,565.40x = 30,155,854,314,452,448 - Step 5: Solve for x
x = 30,155,854,314,452,448/177,644,565.40 - Step 6: Final answer
x = 169,753,880.43
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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.