Finding the Fourth Proportional to 221,444,203.80, 332,166,305.70 and 57,681,643.80
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Solution
The fourth proportional to 221,444,203.80, 332,166,305.70 and 57,681,643.80 is: 86,522,465.70
Step by Step Solution
- Step 1: Write the proportion equation
221,444,203.80 : 332,166,305.70 = 57,681,643.80 : x - Step 2: Convert to fraction form
221,444,203.80/332,166,305.70 = 57,681,643.80/x - Step 3: Cross multiply
221,444,203.80x = 332,166,305.70 × 57,681,643.80 - Step 4: Simplify right side
221,444,203.80x = 19,159,898,527,749,308 - Step 5: Solve for x
x = 19,159,898,527,749,308/221,444,203.80 - Step 6: Final answer
x = 86,522,465.70
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1.5x scale
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.