Finding the Fourth Proportional to 85,451,127.17, 117,921,903.70 and 46,292,623.81
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Solution
The fourth proportional to 85,451,127.17, 117,921,903.70 and 46,292,623.81 is: 63,883,467.75
Step by Step Solution
- Step 1: Write the proportion equation
85,451,127.17 : 117,921,903.70 = 46,292,623.81 : x - Step 2: Convert to fraction form
85,451,127.17/117,921,903.70 = 46,292,623.81/x - Step 3: Cross multiply
85,451,127.17x = 117,921,903.70 × 46,292,623.81 - Step 4: Simplify right side
85,451,127.17x = 5,458,914,326,489,095 - Step 5: Solve for x
x = 5,458,914,326,489,095/85,451,127.17 - Step 6: Final answer
x = 63,883,467.75
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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.