Finding the Fourth Proportional to 65,843,909.80, 98,765,864.70 and 29,942,117.80
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Solution
The fourth proportional to 65,843,909.80, 98,765,864.70 and 29,942,117.80 is: 44,913,176.70
Step by Step Solution
- Step 1: Write the proportion equation
65,843,909.80 : 98,765,864.70 = 29,942,117.80 : x - Step 2: Convert to fraction form
65,843,909.80/98,765,864.70 = 29,942,117.80/x - Step 3: Cross multiply
65,843,909.80x = 98,765,864.70 × 29,942,117.80 - Step 4: Simplify right side
65,843,909.80x = 2,957,259,155,466,262 - Step 5: Solve for x
x = 2,957,259,155,466,262/65,843,909.80 - Step 6: Final answer
x = 44,913,176.70
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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.