Finding the Fourth Proportional to 117,233,832.21, 175,628,785.53 and 78,254,750.78
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Solution
The fourth proportional to 117,233,832.21, 175,628,785.53 and 78,254,750.78 is: 117,233,963.80
Step by Step Solution
- Step 1: Write the proportion equation
117,233,832.21 : 175,628,785.53 = 78,254,750.78 : x - Step 2: Convert to fraction form
117,233,832.21/175,628,785.53 = 78,254,750.78/x - Step 3: Cross multiply
117,233,832.21x = 175,628,785.53 × 78,254,750.78 - Step 4: Simplify right side
117,233,832.21x = 13,743,786,841,444,220 - Step 5: Solve for x
x = 13,743,786,841,444,220/117,233,832.21 - Step 6: Final answer
x = 117,233,963.80
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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.