Finding the Fourth Proportional to 107,852,591.84, 161,522,089.05 and 68,870,296.88
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Solution
The fourth proportional to 107,852,591.84, 161,522,089.05 and 68,870,296.88 is: 103,141,464.06
Step by Step Solution
- Step 1: Write the proportion equation
107,852,591.84 : 161,522,089.05 = 68,870,296.88 : x - Step 2: Convert to fraction form
107,852,591.84/161,522,089.05 = 68,870,296.88/x - Step 3: Cross multiply
107,852,591.84x = 161,522,089.05 × 68,870,296.88 - Step 4: Simplify right side
107,852,591.84x = 11,124,074,225,551,298 - Step 5: Solve for x
x = 11,124,074,225,551,298/107,852,591.84 - Step 6: Final answer
x = 103,141,464.06
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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.