Finding the Fourth Proportional to 221,732,156.08, 305,992,355.34 and 122,619,610
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Solution
The fourth proportional to 221,732,156.08, 305,992,355.34 and 122,619,610 is: 169,216,156.73
Step by Step Solution
- Step 1: Write the proportion equation
221,732,156.08 : 305,992,355.34 = 122,619,610 : x - Step 2: Convert to fraction form
221,732,156.08/305,992,355.34 = 122,619,610/x - Step 3: Cross multiply
221,732,156.08x = 305,992,355.34 × 122,619,610 - Step 4: Simplify right side
221,732,156.08x = 37,520,663,274,772,216 - Step 5: Solve for x
x = 37,520,663,274,772,216/221,732,156.08 - Step 6: Final answer
x = 169,216,156.73
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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.