Finding the Fourth Proportional to 149,805,153.20, 224,707,729.80 and 42,099,777.20
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Solution
The fourth proportional to 149,805,153.20, 224,707,729.80 and 42,099,777.20 is: 63,149,665.80
Step by Step Solution
- Step 1: Write the proportion equation
149,805,153.20 : 224,707,729.80 = 42,099,777.20 : x - Step 2: Convert to fraction form
149,805,153.20/224,707,729.80 = 42,099,777.20/x - Step 3: Cross multiply
149,805,153.20x = 224,707,729.80 × 42,099,777.20 - Step 4: Simplify right side
149,805,153.20x = 9,460,145,359,697,802 - Step 5: Solve for x
x = 9,460,145,359,697,802/149,805,153.20 - Step 6: Final answer
x = 63,149,665.80
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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.