Finding the Fourth Proportional to 122,683,623.20, 183,869,137.20 and 65,203,431.20
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Solution
The fourth proportional to 122,683,623.20, 183,869,137.20 and 65,203,431.20 is: 97,722,078.34
Step by Step Solution
- Step 1: Write the proportion equation
122,683,623.20 : 183,869,137.20 = 65,203,431.20 : x - Step 2: Convert to fraction form
122,683,623.20/183,869,137.20 = 65,203,431.20/x - Step 3: Cross multiply
122,683,623.20x = 183,869,137.20 × 65,203,431.20 - Step 4: Simplify right side
122,683,623.20x = 11,988,898,637,223,560 - Step 5: Solve for x
x = 11,988,898,637,223,560/122,683,623.20 - Step 6: Final answer
x = 97,722,078.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.