Finding the Fourth Proportional to 356,027,031.70, 534,135,025.95 and 125,972,127.70
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Solution
The fourth proportional to 356,027,031.70, 534,135,025.95 and 125,972,127.70 is: 188,991,620.60
Step by Step Solution
- Step 1: Write the proportion equation
356,027,031.70 : 534,135,025.95 = 125,972,127.70 : x - Step 2: Convert to fraction form
356,027,031.70/534,135,025.95 = 125,972,127.70/x - Step 3: Cross multiply
356,027,031.70x = 534,135,025.95 × 125,972,127.70 - Step 4: Simplify right side
356,027,031.70x = 67,286,125,698,016,216 - Step 5: Solve for x
x = 67,286,125,698,016,216/356,027,031.70 - Step 6: Final answer
x = 188,991,620.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.