Finding the Fourth Proportional to 88,691,848.30, 133,037,772.45 and 48,381,064.30
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Solution
The fourth proportional to 88,691,848.30, 133,037,772.45 and 48,381,064.30 is: 72,571,596.45
Step by Step Solution
- Step 1: Write the proportion equation
88,691,848.30 : 133,037,772.45 = 48,381,064.30 : x - Step 2: Convert to fraction form
88,691,848.30/133,037,772.45 = 48,381,064.30/x - Step 3: Cross multiply
88,691,848.30x = 133,037,772.45 × 48,381,064.30 - Step 4: Simplify right side
88,691,848.30x = 6,436,509,023,232,218 - Step 5: Solve for x
x = 6,436,509,023,232,218/88,691,848.30 - Step 6: Final answer
x = 72,571,596.45
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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.