Finding the Fourth Proportional to 54,342,298.98, 74,992,860.18 and 29,563,026.84
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Solution
The fourth proportional to 54,342,298.98, 74,992,860.18 and 29,563,026.84 is: 40,797,242.29
Step by Step Solution
- Step 1: Write the proportion equation
54,342,298.98 : 74,992,860.18 = 29,563,026.84 : x - Step 2: Convert to fraction form
54,342,298.98/74,992,860.18 = 29,563,026.84/x - Step 3: Cross multiply
54,342,298.98x = 74,992,860.18 × 29,563,026.84 - Step 4: Simplify right side
54,342,298.98x = 2,217,015,938,309,707.50 - Step 5: Solve for x
x = 2,217,015,938,309,707.50/54,342,298.98 - Step 6: Final answer
x = 40,797,242.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.