Finding the Fourth Proportional to 157,730,679.05, 236,384,532.21 and 122,758,022.66
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Solution
The fourth proportional to 157,730,679.05, 236,384,532.21 and 122,758,022.66 is: 183,972,439.20
Step by Step Solution
- Step 1: Write the proportion equation
157,730,679.05 : 236,384,532.21 = 122,758,022.66 : x - Step 2: Convert to fraction form
157,730,679.05/236,384,532.21 = 122,758,022.66/x - Step 3: Cross multiply
157,730,679.05x = 236,384,532.21 × 122,758,022.66 - Step 4: Simplify right side
157,730,679.05x = 29,018,097,762,099,640 - Step 5: Solve for x
x = 29,018,097,762,099,640/157,730,679.05 - Step 6: Final answer
x = 183,972,439.20
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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.