Finding the Fourth Proportional to 125,119,025.40, 187,395,102.90 and 74,100,689.40
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Solution
The fourth proportional to 125,119,025.40, 187,395,102.90 and 74,100,689.40 is: 110,983,171.99
Step by Step Solution
- Step 1: Write the proportion equation
125,119,025.40 : 187,395,102.90 = 74,100,689.40 : x - Step 2: Convert to fraction form
125,119,025.40/187,395,102.90 = 74,100,689.40/x - Step 3: Cross multiply
125,119,025.40x = 187,395,102.90 × 74,100,689.40 - Step 4: Simplify right side
125,119,025.40x = 13,886,106,315,073,940 - Step 5: Solve for x
x = 13,886,106,315,073,940/125,119,025.40 - Step 6: Final answer
x = 110,983,171.99
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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.