Finding the Fourth Proportional to 73,881,497.70, 110,822,246.55 and 20,028,809.70
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Solution
The fourth proportional to 73,881,497.70, 110,822,246.55 and 20,028,809.70 is: 30,043,214.55
Step by Step Solution
- Step 1: Write the proportion equation
73,881,497.70 : 110,822,246.55 = 20,028,809.70 : x - Step 2: Convert to fraction form
73,881,497.70/110,822,246.55 = 20,028,809.70/x - Step 3: Cross multiply
73,881,497.70x = 110,822,246.55 × 20,028,809.70 - Step 4: Simplify right side
73,881,497.70x = 2,219,637,686,676,431.50 - Step 5: Solve for x
x = 2,219,637,686,676,431.50/73,881,497.70 - Step 6: Final answer
x = 30,043,214.55
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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.