Finding the Fourth Proportional to 86,589,739.98, 119,448,537.30 and 53,539,424.28
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Solution
The fourth proportional to 86,589,739.98, 119,448,537.30 and 53,539,424.28 is: 73,856,393.61
Step by Step Solution
- Step 1: Write the proportion equation
86,589,739.98 : 119,448,537.30 = 53,539,424.28 : x - Step 2: Convert to fraction form
86,589,739.98/119,448,537.30 = 53,539,424.28/x - Step 3: Cross multiply
86,589,739.98x = 119,448,537.30 × 53,539,424.28 - Step 4: Simplify right side
86,589,739.98x = 6,395,205,918,130,106 - Step 5: Solve for x
x = 6,395,205,918,130,106/86,589,739.98 - Step 6: Final answer
x = 73,856,393.61
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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.