Finding the Fourth Proportional to 66,771,565.67, 100,159,316.81 and 56,994,534.79
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Solution
The fourth proportional to 66,771,565.67, 100,159,316.81 and 56,994,534.79 is: 85,493,482.28
Step by Step Solution
- Step 1: Write the proportion equation
66,771,565.67 : 100,159,316.81 = 56,994,534.79 : x - Step 2: Convert to fraction form
66,771,565.67/100,159,316.81 = 56,994,534.79/x - Step 3: Cross multiply
66,771,565.67x = 100,159,316.81 × 56,994,534.79 - Step 4: Simplify right side
66,771,565.67x = 5,708,533,666,362,265 - Step 5: Solve for x
x = 5,708,533,666,362,265/66,771,565.67 - Step 6: Final answer
x = 85,493,482.28
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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.