Finding the Fourth Proportional to 160,357,204.76, 221,292,942.66 and 87,018,346.76
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Solution
The fourth proportional to 160,357,204.76, 221,292,942.66 and 87,018,346.76 is: 120,085,318.58
Step by Step Solution
- Step 1: Write the proportion equation
160,357,204.76 : 221,292,942.66 = 87,018,346.76 : x - Step 2: Convert to fraction form
160,357,204.76/221,292,942.66 = 87,018,346.76/x - Step 3: Cross multiply
160,357,204.76x = 221,292,942.66 × 87,018,346.76 - Step 4: Simplify right side
160,357,204.76x = 19,256,546,019,928,676 - Step 5: Solve for x
x = 19,256,546,019,928,676/160,357,204.76 - Step 6: Final answer
x = 120,085,318.58
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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.