Finding the Fourth Proportional to 115,570,481.28, 159,487,225.62 and 63,358,396.68
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Solution
The fourth proportional to 115,570,481.28, 159,487,225.62 and 63,358,396.68 is: 87,434,566.29
Step by Step Solution
- Step 1: Write the proportion equation
115,570,481.28 : 159,487,225.62 = 63,358,396.68 : x - Step 2: Convert to fraction form
115,570,481.28/159,487,225.62 = 63,358,396.68/x - Step 3: Cross multiply
115,570,481.28x = 159,487,225.62 × 63,358,396.68 - Step 4: Simplify right side
115,570,481.28x = 10,104,854,906,224,620 - Step 5: Solve for x
x = 10,104,854,906,224,620/115,570,481.28 - Step 6: Final answer
x = 87,434,566.29
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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.