Finding the Fourth Proportional to 85,410,355.42, 117,866,404.14 and 46,252,199.68
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Solution
The fourth proportional to 85,410,355.42, 117,866,404.14 and 46,252,199.68 is: 63,828,097.11
Step by Step Solution
- Step 1: Write the proportion equation
85,410,355.42 : 117,866,404.14 = 46,252,199.68 : x - Step 2: Convert to fraction form
85,410,355.42/117,866,404.14 = 46,252,199.68/x - Step 3: Cross multiply
85,410,355.42x = 117,866,404.14 × 46,252,199.68 - Step 4: Simplify right side
85,410,355.42x = 5,451,580,459,846,859 - Step 5: Solve for x
x = 5,451,580,459,846,859/85,410,355.42 - Step 6: Final answer
x = 63,828,097.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.