Finding the Fourth Proportional to 69,509,991.40, 104,302,311.90 and 29,124,557.80
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Solution
The fourth proportional to 69,509,991.40, 104,302,311.90 and 29,124,557.80 is: 43,702,475.72
Step by Step Solution
- Step 1: Write the proportion equation
69,509,991.40 : 104,302,311.90 = 29,124,557.80 : x - Step 2: Convert to fraction form
69,509,991.40/104,302,311.90 = 29,124,557.80/x - Step 3: Cross multiply
69,509,991.40x = 104,302,311.90 × 29,124,557.80 - Step 4: Simplify right side
69,509,991.40x = 3,037,758,711,605,178 - Step 5: Solve for x
x = 3,037,758,711,605,178/69,509,991.40 - Step 6: Final answer
x = 43,702,475.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.