Finding the Fourth Proportional to 65,151,108.80, 97,738,677.12 and 21,434,328.80
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Solution
The fourth proportional to 65,151,108.80, 97,738,677.12 and 21,434,328.80 is: 32,155,445.71
Step by Step Solution
- Step 1: Write the proportion equation
65,151,108.80 : 97,738,677.12 = 21,434,328.80 : x - Step 2: Convert to fraction form
65,151,108.80/97,738,677.12 = 21,434,328.80/x - Step 3: Cross multiply
65,151,108.80x = 97,738,677.12 × 21,434,328.80 - Step 4: Simplify right side
65,151,108.80x = 2,094,962,941,867,117.25 - Step 5: Solve for x
x = 2,094,962,941,867,117.25/65,151,108.80 - Step 6: Final answer
x = 32,155,445.71
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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.