Finding the Fourth Proportional to 54,000,615.49, 81,019,862.67 and 15,664,430.05
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Solution
The fourth proportional to 54,000,615.49, 81,019,862.67 and 15,664,430.05 is: 23,502,139.00
Step by Step Solution
- Step 1: Write the proportion equation
54,000,615.49 : 81,019,862.67 = 15,664,430.05 : x - Step 2: Convert to fraction form
54,000,615.49/81,019,862.67 = 15,664,430.05/x - Step 3: Cross multiply
54,000,615.49x = 81,019,862.67 × 15,664,430.05 - Step 4: Simplify right side
54,000,615.49x = 1,269,129,971,454,821.25 - Step 5: Solve for x
x = 1,269,129,971,454,821.25/54,000,615.49 - Step 6: Final answer
x = 23,502,139.00
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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.