Finding the Fourth Proportional to 122,353,506.57, 168,852,293.55 and 66,596,231.55
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Solution
The fourth proportional to 122,353,506.57, 168,852,293.55 and 66,596,231.55 is: 91,905,224.09
Step by Step Solution
- Step 1: Write the proportion equation
122,353,506.57 : 168,852,293.55 = 66,596,231.55 : x - Step 2: Convert to fraction form
122,353,506.57/168,852,293.55 = 66,596,231.55/x - Step 3: Cross multiply
122,353,506.57x = 168,852,293.55 × 66,596,231.55 - Step 4: Simplify right side
122,353,506.57x = 11,244,926,439,004,372 - Step 5: Solve for x
x = 11,244,926,439,004,372/122,353,506.57 - Step 6: Final answer
x = 91,905,224.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.