Finding the Fourth Proportional to 54,331,581.18, 74,978,122.95 and 29,552,344.50
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Solution
The fourth proportional to 54,331,581.18, 74,978,122.95 and 29,552,344.50 is: 40,782,529.63
Step by Step Solution
- Step 1: Write the proportion equation
54,331,581.18 : 74,978,122.95 = 29,552,344.50 : x - Step 2: Convert to fraction form
54,331,581.18/74,978,122.95 = 29,552,344.50/x - Step 3: Cross multiply
54,331,581.18x = 74,978,122.95 × 29,552,344.50 - Step 4: Simplify right side
54,331,581.18x = 2,215,779,319,381,756.25 - Step 5: Solve for x
x = 2,215,779,319,381,756.25/54,331,581.18 - Step 6: Final answer
x = 40,782,529.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.