Finding the Fourth Proportional to 66,771,565.13, 100,159,315.99 and 56,994,534.24
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Solution
The fourth proportional to 66,771,565.13, 100,159,315.99 and 56,994,534.24 is: 85,493,481.46
Step by Step Solution
- Step 1: Write the proportion equation
66,771,565.13 : 100,159,315.99 = 56,994,534.24 : x - Step 2: Convert to fraction form
66,771,565.13/100,159,315.99 = 56,994,534.24/x - Step 3: Cross multiply
66,771,565.13x = 100,159,315.99 × 56,994,534.24 - Step 4: Simplify right side
66,771,565.13x = 5,708,533,565,039,920 - Step 5: Solve for x
x = 5,708,533,565,039,920/66,771,565.13 - Step 6: Final answer
x = 85,493,481.46
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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.