Finding the Fourth Proportional to 162,056,028.76, 243,083,679.24 and 125,221,483.68
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Solution
The fourth proportional to 162,056,028.76, 243,083,679.24 and 125,221,483.68 is: 187,831,944.33
Step by Step Solution
- Step 1: Write the proportion equation
162,056,028.76 : 243,083,679.24 = 125,221,483.68 : x - Step 2: Convert to fraction form
162,056,028.76/243,083,679.24 = 125,221,483.68/x - Step 3: Cross multiply
162,056,028.76x = 243,083,679.24 × 125,221,483.68 - Step 4: Simplify right side
162,056,028.76x = 30,439,298,972,826,016 - Step 5: Solve for x
x = 30,439,298,972,826,016/162,056,028.76 - Step 6: Final answer
x = 187,831,944.33
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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.