Finding the Fourth Proportional to 221,447,259.51, 305,591,295.14 and 122,325,873.54
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Solution
The fourth proportional to 221,447,259.51, 305,591,295.14 and 122,325,873.54 is: 168,806,433.68
Step by Step Solution
- Step 1: Write the proportion equation
221,447,259.51 : 305,591,295.14 = 122,325,873.54 : x - Step 2: Convert to fraction form
221,447,259.51/305,591,295.14 = 122,325,873.54/x - Step 3: Cross multiply
221,447,259.51x = 305,591,295.14 × 122,325,873.54 - Step 4: Simplify right side
221,447,259.51x = 37,381,722,125,500,776 - Step 5: Solve for x
x = 37,381,722,125,500,776/221,447,259.51 - Step 6: Final answer
x = 168,806,433.68
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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.