Finding the Fourth Proportional to 86,452,746, 119,305,731.51 and 47,293,681.97
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Solution
The fourth proportional to 86,452,746, 119,305,731.51 and 47,293,681.97 is: 65,265,796.45
Step by Step Solution
- Step 1: Write the proportion equation
86,452,746 : 119,305,731.51 = 47,293,681.97 : x - Step 2: Convert to fraction form
86,452,746/119,305,731.51 = 47,293,681.97/x - Step 3: Cross multiply
86,452,746x = 119,305,731.51 × 47,293,681.97 - Step 4: Simplify right side
86,452,746x = 5,642,407,323,232,148 - Step 5: Solve for x
x = 5,642,407,323,232,148/86,452,746 - Step 6: Final answer
x = 65,265,796.45
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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.