Finding the Fourth Proportional to 224,201,903.20, 336,302,854.80 and 120,889,772.80
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Solution
The fourth proportional to 224,201,903.20, 336,302,854.80 and 120,889,772.80 is: 181,334,659.20
Step by Step Solution
- Step 1: Write the proportion equation
224,201,903.20 : 336,302,854.80 = 120,889,772.80 : x - Step 2: Convert to fraction form
224,201,903.20/336,302,854.80 = 120,889,772.80/x - Step 3: Cross multiply
224,201,903.20x = 336,302,854.80 × 120,889,772.80 - Step 4: Simplify right side
224,201,903.20x = 40,655,575,708,763,392 - Step 5: Solve for x
x = 40,655,575,708,763,392/224,201,903.20 - Step 6: Final answer
x = 181,334,659.20
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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.