Finding the Fourth Proportional to 88,691,867.80, 133,037,801.70 and 48,381,083.80
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Solution
The fourth proportional to 88,691,867.80, 133,037,801.70 and 48,381,083.80 is: 72,571,625.70
Step by Step Solution
- Step 1: Write the proportion equation
88,691,867.80 : 133,037,801.70 = 48,381,083.80 : x - Step 2: Convert to fraction form
88,691,867.80/133,037,801.70 = 48,381,083.80/x - Step 3: Cross multiply
88,691,867.80x = 133,037,801.70 × 48,381,083.80 - Step 4: Simplify right side
88,691,867.80x = 6,436,513,032,615,482 - Step 5: Solve for x
x = 6,436,513,032,615,482/88,691,867.80 - Step 6: Final answer
x = 72,571,625.70
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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.