Finding the Fourth Proportional to 376,178,571.20, 564,044,321.16 and 143,026,349.94
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Solution
The fourth proportional to 376,178,571.20, 564,044,321.16 and 143,026,349.94 is: 214,454,534.72
Step by Step Solution
- Step 1: Write the proportion equation
376,178,571.20 : 564,044,321.16 = 143,026,349.94 : x - Step 2: Convert to fraction form
376,178,571.20/564,044,321.16 = 143,026,349.94/x - Step 3: Cross multiply
376,178,571.20x = 564,044,321.16 × 143,026,349.94 - Step 4: Simplify right side
376,178,571.20x = 80,673,200,459,899,904 - Step 5: Solve for x
x = 80,673,200,459,899,904/376,178,571.20 - Step 6: Final answer
x = 214,454,534.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.