Finding the Fourth Proportional to 201,867,898.19, 278,594,089.97 and 113,767,860.60
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Solution
The fourth proportional to 201,867,898.19, 278,594,089.97 and 113,767,860.60 is: 157,008,884.90
Step by Step Solution
- Step 1: Write the proportion equation
201,867,898.19 : 278,594,089.97 = 113,767,860.60 : x - Step 2: Convert to fraction form
201,867,898.19/278,594,089.97 = 113,767,860.60/x - Step 3: Cross multiply
201,867,898.19x = 278,594,089.97 × 113,767,860.60 - Step 4: Simplify right side
201,867,898.19x = 31,695,053,591,121,976 - Step 5: Solve for x
x = 31,695,053,591,121,976/201,867,898.19 - Step 6: Final answer
x = 157,008,884.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.