Finding the Fourth Proportional to 125,691,840.21, 188,564,897.42 and 38,260,194.10
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Solution
The fourth proportional to 125,691,840.21, 188,564,897.42 and 38,260,194.10 is: 57,398,551.59
Step by Step Solution
- Step 1: Write the proportion equation
125,691,840.21 : 188,564,897.42 = 38,260,194.10 : x - Step 2: Convert to fraction form
125,691,840.21/188,564,897.42 = 38,260,194.10/x - Step 3: Cross multiply
125,691,840.21x = 188,564,897.42 × 38,260,194.10 - Step 4: Simplify right side
125,691,840.21x = 7,214,529,575,073,075 - Step 5: Solve for x
x = 7,214,529,575,073,075/125,691,840.21 - Step 6: Final answer
x = 57,398,551.59
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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.