Finding the Fourth Proportional to 87,276,978.68, 120,557,199.24 and 64,691,137.92
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Solution
The fourth proportional to 87,276,978.68, 120,557,199.24 and 64,691,137.92 is: 89,358,987.00
Step by Step Solution
- Step 1: Write the proportion equation
87,276,978.68 : 120,557,199.24 = 64,691,137.92 : x - Step 2: Convert to fraction form
87,276,978.68/120,557,199.24 = 64,691,137.92/x - Step 3: Cross multiply
87,276,978.68x = 120,557,199.24 × 64,691,137.92 - Step 4: Simplify right side
87,276,978.68x = 7,798,982,403,283,759 - Step 5: Solve for x
x = 7,798,982,403,283,759/87,276,978.68 - Step 6: Final answer
x = 89,358,987.00
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