Finding the Fourth Proportional to 115,102,798.40, 158,837,135.04 and 62,893,626.24
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Solution
The fourth proportional to 115,102,798.40, 158,837,135.04 and 62,893,626.24 is: 86,790,621.45
Step by Step Solution
- Step 1: Write the proportion equation
115,102,798.40 : 158,837,135.04 = 62,893,626.24 : x - Step 2: Convert to fraction form
115,102,798.40/158,837,135.04 = 62,893,626.24/x - Step 3: Cross multiply
115,102,798.40x = 158,837,135.04 × 62,893,626.24 - Step 4: Simplify right side
115,102,798.40x = 9,989,843,404,238,168 - Step 5: Solve for x
x = 9,989,843,404,238,168/115,102,798.40 - Step 6: Final answer
x = 86,790,621.45
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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.