Finding the Fourth Proportional to 65,725,987.43, 98,597,948.74 and 27,378,533.48
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Solution
The fourth proportional to 65,725,987.43, 98,597,948.74 and 27,378,533.48 is: 41,071,535.72
Step by Step Solution
- Step 1: Write the proportion equation
65,725,987.43 : 98,597,948.74 = 27,378,533.48 : x - Step 2: Convert to fraction form
65,725,987.43/98,597,948.74 = 27,378,533.48/x - Step 3: Cross multiply
65,725,987.43x = 98,597,948.74 × 27,378,533.48 - Step 4: Simplify right side
65,725,987.43x = 2,699,467,240,075,978 - Step 5: Solve for x
x = 2,699,467,240,075,978/65,725,987.43 - Step 6: Final answer
x = 41,071,535.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.