Finding the Fourth Proportional to 221,508,594.12, 305,688,027.42 and 122,395,761.48
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Solution
The fourth proportional to 221,508,594.12, 305,688,027.42 and 122,395,761.48 is: 168,909,558.75
Step by Step Solution
- Step 1: Write the proportion equation
221,508,594.12 : 305,688,027.42 = 122,395,761.48 : x - Step 2: Convert to fraction form
221,508,594.12/305,688,027.42 = 122,395,761.48/x - Step 3: Cross multiply
221,508,594.12x = 305,688,027.42 × 122,395,761.48 - Step 4: Simplify right side
221,508,594.12x = 37,414,918,891,390,024 - Step 5: Solve for x
x = 37,414,918,891,390,024/221,508,594.12 - Step 6: Final answer
x = 168,909,558.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.