Finding the Fourth Proportional to 149,780,438.40, 224,670,657.60 and 122,570,659.20
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Solution
The fourth proportional to 149,780,438.40, 224,670,657.60 and 122,570,659.20 is: 183,855,988.80
Step by Step Solution
- Step 1: Write the proportion equation
149,780,438.40 : 224,670,657.60 = 122,570,659.20 : x - Step 2: Convert to fraction form
149,780,438.40/224,670,657.60 = 122,570,659.20/x - Step 3: Cross multiply
149,780,438.40x = 224,670,657.60 × 122,570,659.20 - Step 4: Simplify right side
149,780,438.40x = 27,538,030,604,929,488 - Step 5: Solve for x
x = 27,538,030,604,929,488/149,780,438.40 - Step 6: Final answer
x = 183,855,988.80
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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.