Finding the Fourth Proportional to 134,465,415.30, 201,698,122.95 and 122,986,289.70
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Solution
The fourth proportional to 134,465,415.30, 201,698,122.95 and 122,986,289.70 is: 184,479,434.55
Step by Step Solution
- Step 1: Write the proportion equation
134,465,415.30 : 201,698,122.95 = 122,986,289.70 : x - Step 2: Convert to fraction form
134,465,415.30/201,698,122.95 = 122,986,289.70/x - Step 3: Cross multiply
134,465,415.30x = 201,698,122.95 × 122,986,289.70 - Step 4: Simplify right side
134,465,415.30x = 24,806,103,781,074,916 - Step 5: Solve for x
x = 24,806,103,781,074,916/134,465,415.30 - Step 6: Final answer
x = 184,479,434.55
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1.5x scale
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.