Finding the Fourth Proportional to 66,231,251.80, 99,346,877.70 and 56,153,555.80
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Solution
The fourth proportional to 66,231,251.80, 99,346,877.70 and 56,153,555.80 is: 84,230,333.70
Step by Step Solution
- Step 1: Write the proportion equation
66,231,251.80 : 99,346,877.70 = 56,153,555.80 : x - Step 2: Convert to fraction form
66,231,251.80/99,346,877.70 = 56,153,555.80/x - Step 3: Cross multiply
66,231,251.80x = 99,346,877.70 × 56,153,555.80 - Step 4: Simplify right side
66,231,251.80x = 5,578,680,440,482,726 - Step 5: Solve for x
x = 5,578,680,440,482,726/66,231,251.80 - Step 6: Final answer
x = 84,230,333.70
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1.5x scale
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.