Finding the Fourth Proportional to 106,989,355.19, 160,538,943.71 and 50,965,724.65
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Solution
The fourth proportional to 106,989,355.19, 160,538,943.71 and 50,965,724.65 is: 76,474,744.48
Step by Step Solution
- Step 1: Write the proportion equation
106,989,355.19 : 160,538,943.71 = 50,965,724.65 : x - Step 2: Convert to fraction form
106,989,355.19/160,538,943.71 = 50,965,724.65/x - Step 3: Cross multiply
106,989,355.19x = 160,538,943.71 × 50,965,724.65 - Step 4: Simplify right side
106,989,355.19x = 8,181,983,600,725,710 - Step 5: Solve for x
x = 8,181,983,600,725,710/106,989,355.19 - Step 6: Final answer
x = 76,474,744.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.