Finding the Fourth Proportional to 86,057,435.12, 118,759,262.28 and 47,426,267.12
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Solution
The fourth proportional to 86,057,435.12, 118,759,262.28 and 47,426,267.12 is: 65,448,249.63
Step by Step Solution
- Step 1: Write the proportion equation
86,057,435.12 : 118,759,262.28 = 47,426,267.12 : x - Step 2: Convert to fraction form
86,057,435.12/118,759,262.28 = 47,426,267.12/x - Step 3: Cross multiply
86,057,435.12x = 118,759,262.28 × 47,426,267.12 - Step 4: Simplify right side
86,057,435.12x = 5,632,308,495,865,420 - Step 5: Solve for x
x = 5,632,308,495,865,420/86,057,435.12 - Step 6: Final answer
x = 65,448,249.63
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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.