Finding the Fourth Proportional to 313,511,118.84, 470,211,688.58 and 119,434,180.05
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Solution
The fourth proportional to 313,511,118.84, 470,211,688.58 and 119,434,180.05 is: 179,130,321.38
Step by Step Solution
- Step 1: Write the proportion equation
313,511,118.84 : 470,211,688.58 = 119,434,180.05 : x - Step 2: Convert to fraction form
313,511,118.84/470,211,688.58 = 119,434,180.05/x - Step 3: Cross multiply
313,511,118.84x = 470,211,688.58 × 119,434,180.05 - Step 4: Simplify right side
313,511,118.84x = 56,159,347,474,881,072 - Step 5: Solve for x
x = 56,159,347,474,881,072/313,511,118.84 - Step 6: Final answer
x = 179,130,321.38
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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.