Finding the Fourth Proportional to 78,018,729.41, 107,625,027.41 and 48,239,858.28
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Solution
The fourth proportional to 78,018,729.41, 107,625,027.41 and 48,239,858.28 is: 66,545,765.46
Step by Step Solution
- Step 1: Write the proportion equation
78,018,729.41 : 107,625,027.41 = 48,239,858.28 : x - Step 2: Convert to fraction form
78,018,729.41/107,625,027.41 = 48,239,858.28/x - Step 3: Cross multiply
78,018,729.41x = 107,625,027.41 × 48,239,858.28 - Step 4: Simplify right side
78,018,729.41x = 5,191,816,069,356,521 - Step 5: Solve for x
x = 5,191,816,069,356,521/78,018,729.41 - Step 6: Final answer
x = 66,545,765.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.