Finding the Fourth Proportional to 141,631,305.84, 212,437,204.74 and 87,052,315.14
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Solution
The fourth proportional to 141,631,305.84, 212,437,204.74 and 87,052,315.14 is: 130,572,477.50
Step by Step Solution
- Step 1: Write the proportion equation
141,631,305.84 : 212,437,204.74 = 87,052,315.14 : x - Step 2: Convert to fraction form
141,631,305.84/212,437,204.74 = 87,052,315.14/x - Step 3: Cross multiply
141,631,305.84x = 212,437,204.74 × 87,052,315.14 - Step 4: Simplify right side
141,631,305.84x = 18,493,150,494,487,184 - Step 5: Solve for x
x = 18,493,150,494,487,184/141,631,305.84 - Step 6: Final answer
x = 130,572,477.50
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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.