Finding the Fourth Proportional to 78,305,201.91, 117,457,852.07 and 29,771,844.66
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Solution
The fourth proportional to 78,305,201.91, 117,457,852.07 and 29,771,844.66 is: 44,657,785.70
Step by Step Solution
- Step 1: Write the proportion equation
78,305,201.91 : 117,457,852.07 = 29,771,844.66 : x - Step 2: Convert to fraction form
78,305,201.91/117,457,852.07 = 29,771,844.66/x - Step 3: Cross multiply
78,305,201.91x = 117,457,852.07 × 29,771,844.66 - Step 4: Simplify right side
78,305,201.91x = 3,496,936,925,999,729 - Step 5: Solve for x
x = 3,496,936,925,999,729/78,305,201.91 - Step 6: Final answer
x = 44,657,785.70
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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.