Finding the Fourth Proportional to 113,998,320.26, 157,332,251.31 and 63,765,330.56
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Solution
The fourth proportional to 113,998,320.26, 157,332,251.31 and 63,765,330.56 is: 88,004,305.59
Step by Step Solution
- Step 1: Write the proportion equation
113,998,320.26 : 157,332,251.31 = 63,765,330.56 : x - Step 2: Convert to fraction form
113,998,320.26/157,332,251.31 = 63,765,330.56/x - Step 3: Cross multiply
113,998,320.26x = 157,332,251.31 × 63,765,330.56 - Step 4: Simplify right side
113,998,320.26x = 10,032,343,012,531,144 - Step 5: Solve for x
x = 10,032,343,012,531,144/113,998,320.26 - Step 6: Final answer
x = 88,004,305.59
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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.