Finding the Fourth Proportional to 115,570,469.25, 159,487,209.09 and 63,358,384.68
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Solution
The fourth proportional to 115,570,469.25, 159,487,209.09 and 63,358,384.68 is: 87,434,549.77
Step by Step Solution
- Step 1: Write the proportion equation
115,570,469.25 : 159,487,209.09 = 63,358,384.68 : x - Step 2: Convert to fraction form
115,570,469.25/159,487,209.09 = 63,358,384.68/x - Step 3: Cross multiply
115,570,469.25x = 159,487,209.09 × 63,358,384.68 - Step 4: Simplify right side
115,570,469.25x = 10,104,851,945,063,812 - Step 5: Solve for x
x = 10,104,851,945,063,812/115,570,469.25 - Step 6: Final answer
x = 87,434,549.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.