Finding the Fourth Proportional to 159,619,936.08, 220,275,414.36 and 86,281,078.08
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Solution
The fourth proportional to 159,619,936.08, 220,275,414.36 and 86,281,078.08 is: 119,067,835.08
Step by Step Solution
- Step 1: Write the proportion equation
159,619,936.08 : 220,275,414.36 = 86,281,078.08 : x - Step 2: Convert to fraction form
159,619,936.08/220,275,414.36 = 86,281,078.08/x - Step 3: Cross multiply
159,619,936.08x = 220,275,414.36 × 86,281,078.08 - Step 4: Simplify right side
159,619,936.08x = 19,005,600,223,966,732 - Step 5: Solve for x
x = 19,005,600,223,966,732/159,619,936.08 - Step 6: Final answer
x = 119,067,835.08
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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.