Finding the Fourth Proportional to 91,303,373.84, 125,985,203.43 and 55,521,560.66
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Solution
The fourth proportional to 91,303,373.84, 125,985,203.43 and 55,521,560.66 is: 76,611,573.26
Step by Step Solution
- Step 1: Write the proportion equation
91,303,373.84 : 125,985,203.43 = 55,521,560.66 : x - Step 2: Convert to fraction form
91,303,373.84/125,985,203.43 = 55,521,560.66/x - Step 3: Cross multiply
91,303,373.84x = 125,985,203.43 × 55,521,560.66 - Step 4: Simplify right side
91,303,373.84x = 6,994,895,113,871,260 - Step 5: Solve for x
x = 6,994,895,113,871,260/91,303,373.84 - Step 6: Final answer
x = 76,611,573.26
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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.