Finding the Fourth Proportional to 156,576,439.80, 234,864,659.70 and 149,018,167.80
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Solution
The fourth proportional to 156,576,439.80, 234,864,659.70 and 149,018,167.80 is: 223,527,251.70
Step by Step Solution
- Step 1: Write the proportion equation
156,576,439.80 : 234,864,659.70 = 149,018,167.80 : x - Step 2: Convert to fraction form
156,576,439.80/234,864,659.70 = 149,018,167.80/x - Step 3: Cross multiply
156,576,439.80x = 234,864,659.70 × 149,018,167.80 - Step 4: Simplify right side
156,576,439.80x = 34,999,101,269,464,500 - Step 5: Solve for x
x = 34,999,101,269,464,500/156,576,439.80 - Step 6: Final answer
x = 223,527,251.70
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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.