Finding the Fourth Proportional to 45,092,863.05, 67,638,111.25 and 14,389,315.99
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Solution
The fourth proportional to 45,092,863.05, 67,638,111.25 and 14,389,315.99 is: 21,583,596.38
Step by Step Solution
- Step 1: Write the proportion equation
45,092,863.05 : 67,638,111.25 = 14,389,315.99 : x - Step 2: Convert to fraction form
45,092,863.05/67,638,111.25 = 14,389,315.99/x - Step 3: Cross multiply
45,092,863.05x = 67,638,111.25 × 14,389,315.99 - Step 4: Simplify right side
45,092,863.05x = 973,266,155,743,023.88 - Step 5: Solve for x
x = 973,266,155,743,023.88/45,092,863.05 - Step 6: Final answer
x = 21,583,596.38
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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.