Finding the Fourth Proportional to 109,087,368.79, 150,543,763.35 and 59,530,936.09
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Solution
The fourth proportional to 109,087,368.79, 150,543,763.35 and 59,530,936.09 is: 82,154,435.06
Step by Step Solution
- Step 1: Write the proportion equation
109,087,368.79 : 150,543,763.35 = 59,530,936.09 : x - Step 2: Convert to fraction form
109,087,368.79/150,543,763.35 = 59,530,936.09/x - Step 3: Cross multiply
109,087,368.79x = 150,543,763.35 × 59,530,936.09 - Step 4: Simplify right side
109,087,368.79x = 8,962,011,154,736,934 - Step 5: Solve for x
x = 8,962,011,154,736,934/109,087,368.79 - Step 6: Final answer
x = 82,154,435.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.