Finding the Fourth Proportional to 122,353,507.57, 168,852,294.93 and 66,596,232.55
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Solution
The fourth proportional to 122,353,507.57, 168,852,294.93 and 66,596,232.55 is: 91,905,225.47
Step by Step Solution
- Step 1: Write the proportion equation
122,353,507.57 : 168,852,294.93 = 66,596,232.55 : x - Step 2: Convert to fraction form
122,353,507.57/168,852,294.93 = 66,596,232.55/x - Step 3: Cross multiply
122,353,507.57x = 168,852,294.93 × 66,596,232.55 - Step 4: Simplify right side
122,353,507.57x = 11,244,926,699,759,466 - Step 5: Solve for x
x = 11,244,926,699,759,466/122,353,507.57 - Step 6: Final answer
x = 91,905,225.47
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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.