Finding the Fourth Proportional to 99,056,220.03, 147,917,306.12 and 80,896,465.53
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Solution
The fourth proportional to 99,056,220.03, 147,917,306.12 and 80,896,465.53 is: 120,799,958.37
Step by Step Solution
- Step 1: Write the proportion equation
99,056,220.03 : 147,917,306.12 = 80,896,465.53 : x - Step 2: Convert to fraction form
99,056,220.03/147,917,306.12 = 80,896,465.53/x - Step 3: Cross multiply
99,056,220.03x = 147,917,306.12 × 80,896,465.53 - Step 4: Simplify right side
99,056,220.03x = 11,965,987,255,422,556 - Step 5: Solve for x
x = 11,965,987,255,422,556/99,056,220.03 - Step 6: Final answer
x = 120,799,958.37
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.