Finding the Fourth Proportional to 77,137,472.18, 106,433,083.41 and 44,523,528.50
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Solution
The fourth proportional to 77,137,472.18, 106,433,083.41 and 44,523,528.50 is: 61,432,871.58
Step by Step Solution
- Step 1: Write the proportion equation
77,137,472.18 : 106,433,083.41 = 44,523,528.50 : x - Step 2: Convert to fraction form
77,137,472.18/106,433,083.41 = 44,523,528.50/x - Step 3: Cross multiply
77,137,472.18x = 106,433,083.41 × 44,523,528.50 - Step 4: Simplify right side
77,137,472.18x = 4,738,776,422,548,012 - Step 5: Solve for x
x = 4,738,776,422,548,012/77,137,472.18 - Step 6: Final answer
x = 61,432,871.58
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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.